Wednesday, September 2, 2020

A Case Study as a Research Method Example | Topics and Well Written Essays - 500 words - 1

An as a Research Method - Case Study Example Contextual analyses are normally held about some social issues or substances which are â€Å"†¦intricately associated with political, social, authentic, and individual issues, giving wide-going prospects to questions and including complexity† It follows a similar example as some other basic examination, yet there are a couple of significant advances that one needs to deal with while planning and leading one. These incorporate the accompanying: 1. Assurance of the examination question is the first and the chief interest of any exploration attempt. In this progression, the specialist can concentrate on the multifaceted nature of the subject inside thought and attempts to look for answers to a couple of inquiries beginning with ‘how’ and ‘why’. 2. The subsequent advance is to decide the kind of contextual investigation. Regardless of whether it be inherent due to researcher’s individual intrigue, or instrumental for more than negligible surface information about the issue, or aggregate on account of the thought of a gathering of comparable cases, or exploratory, or illustrative, or expressive. 3. After the assurance of the sort of exploration type, the following is to choose the information assortment devices which are to guarantee legitimacy and unwavering quality of the information. Interrogation and inside assessment are significant apparatuses in such manner. 4. To compose the enormous measure of information to be assembled by means of various sources, the specialist needs to design a â€Å"databases to help with ordering, arranging, putting away, and recovering information for analysis†. 5. Field study and notes are the most significant in such manner as they and to the exemplariness of the issue.

Saturday, August 22, 2020

Medical Data Analytics Using R

Clinical Data Analytics Using R 1.) R for Recency => months since last gift, 2.) F for Frequency => absolute number of gift, 3.) M for Monetary => aggregate sum of blood gave in c.c., 4.) T for Time => months since first gift and 5.) Binary variable => 1 - > gave blood, 0-> didnt give blood. The principle thought behind this dataset is the idea of relationship the board CRM. In light of three measurements: Recency, Frequency and Monetary (RFM) which are 3 out of the 5 qualities of the dataset, we would have the option to foresee whether a client is probably going to give blood again based to a promoting effort. For instance, clients who have given or visited all the more at present (Recency), all the more often (Frequency) or made higher money related qualities (Monetary) are bound to react to a promoting exertion. Clients with less RFM score are more averse to respond. It is likewise known in client conduct, that the hour of the principal positive communication (gift, buy) isn't huge. Be that as it may, the Recency of the last gift is significant. In the conventional RFM usage every client is positioned dependent on his RFM esteem parameters against the various clients and that builds up a score for each client. Clients with greater scores are bound to respond in a positive manner for instance (visit again or give). The model develops the recipe which could foresee the accompanying issue. Keep in storehouse just clients that are bound to keep giving later on and evacuate the individuals who are more averse to give, given a specific timeframe. The past articulation additionally decides the difficult which will be prepared and tried in this undertaking. Right off the bat, I made a .csv document and produced 748 special arbitrary numbers in Excel in the space [1,748] in the main section, which relates to the clients or clients ID. At that point I moved the entire information from the .txt document ( to the .csv record in exceed expectations by utilizing the delimited (,) alternative. At that point I arbitrarily split it in a train record and a test document. The train document contains the 530 examples and the test record has the 218 cases. A short time later, I read both the preparation dataset and the test dataset. From the past outcomes, we can see that we have no absent or invalid qualities. Information reaches and units appear to be sensible. Figure 1 above delineates boxplots of the considerable number of traits and for both train and test datasets. By analyzing the figure, we notice that both datasets have comparative appropriations and there are a few exceptions (Monetary > 2,500) that are obvious. The volume of blood variable has a high connection with recurrence. Since the volume of blood that is given each time is fixed, the Monetary worth is relative to the Frequency (number of gifts) every individual gave. For instance, if the measure of blood attracted every individual was 250 ml/sack (Taiwan Blood Services Foundation 2007) March then Monetary = 250*Frequency. This is additionally why in the prescient model we won't think about the Monetary characteristic in the execution. In this way, it is sensible to expect that clients with higher recurrence will have significantly higher Monetary worth. This can be checked additionally outwardly by analyzing the Monetary anomalies for the train set. We recover back 83 exa mples. All together, to see better the measurable scattering of the entire dataset (748 occasions) we will take a gander at the standard deviation (SD) between the Recency and the variable whether client has given blood (Binary variable) and the SD between the Frequency and the Binary variable.The dissemination of scores around the mean is little, which implies the information is concentrated. This can likewise be seen from the plots. From this relationship grid, we can confirm what was expressed over, that the recurrence and the money related qualities are corresponding information sources, which can be seen from their high connection. Another perception is that the different Recency numbers are not variables of 3. This goes to restriction with the thing the depiction said about the information being gathered at regular intervals. Also, there is consistently a most extreme number of times you can give blood per certain period (for example 1 time for each month), yet the information shows that. 36 clients gave blood more than once and 6 clients had given at least multiple times around the same time. The highlights that will be utilized to ascertain the forecast of whether a client is probably going to give again are 2, the Recency and the Frequency (RF). The Monetary element will be dropped. The quantity of classes for R and F characteristics will be 3. The most elevated RF score will be 33 proportional to 6 when included and the least will be 11 identical to 2 when included. The edge for the additional score to decide if a client is bound to give blood again or not, will be set to 4 which is the middle worth. The clients will be allocated to classes by arranging on RF properties just as their scores. The record with the donators will be arranged on Recency first (in rising request) since we need to see which clients have given blood all the more as of late. At that point it will be arranged on recurrence (in plummeting request this time since we need to see which clients have given more occasions) in every Recency class. Aside from arranging, we should apply some business decid es that have happened after various tests: For Recency (Business rule 1): In the event that the Recency in months is under 15 months, at that point these clients will be relegated to class 3. In the event that the Recency in months is equivalent or more noteworthy than 15 months and under 26 months, at that point these clients will be doled out to classification 2. Something else, on the off chance that the Recency in months is equivalent or more prominent than 26 months, at that point these clients will be appointed to classification 1 Furthermore, for Frequency (Business rule 2): On the off chance that the Frequency is equivalent or more prominent than multiple times, at that point these clients will be appointed to classification 3. On the off chance that the Frequency is under multiple times or more prominent than 15 months, at that point these clients will be appointed to class 2. On the off chance that the Frequency is equivalent or under multiple times, at that point these clients will be appointed to class 1 RESULTS The yield of the program are two littler records that have come about because of the train document and the other one from the test record, that have prohibited a few clients that ought not be viewed as future targets and kept those that are probably going to react. A few insights about the exactness, review and the decent F-score of the train and test record have been determined and printed. Besides, we register the supreme contrast between the outcomes recovered from the train and test document to get the counterbalance blunder between these measurements. By doing this and checking that the blunder numbers are irrelevant, we approve the consistency of the model executed. In addition, we delineate two disarray networks one for the test and one for the preparation by ascertaining the genuine positives, bogus negatives, bogus positives and genuine negatives. For our situation, genuine positives relate to the clients (who gave on March 2007) and were named future conceivable donators. Bogus negatives relate to the clients (who gave on March 2007) yet were not delegated future potential focuses for showcasing efforts. Bogus positives connect to clients (who didn't give on March 2007) and were erroneously named conceivable future targets. In conclusion, genuine negatives which are clients (who didn't give on March 2007) and were accurately delegated not conceivable future donators and thusly expelled from the information record. By arrangement we mean the use of the limit (4) to isolate those clients who are more probable and more averse to give again in a specific future period. Finally, we figure 2 progressively single worth measurements for both train and test records the Kappa Statistic (general measurement utilized for arrangement frameworks) and Matthews Correlation Coefficient or cost/reward measure. Both are standardized insights for characterization frameworks, its qualities never surpass 1, so a similar measurement can be utilized even as the quantity of perceptions develops. The mistake for the two measures are MCC blunder: 0.002577ã‚â and Kappa error:ã‚â 0.002808, which is extremely little (unimportant), comparably with all the past measures. REFERENCES UCI Machine Learning Repository (2008) UCI AI storehouse: Blood transfusion administration focus informational collection. Accessible at: (Accessed: 30 January 2017). Fundation, T.B.S. (2015) Operation division. Accessible at: (Accessed: 31 January 2017). The Appendix with the code begins beneath. Anyway the entire code has been transferred on my Git Hub profile and this is where it tends to be gotten to. library(ggplot2) library(car) Ââ # read preparing and testing datasets traindata à ¯Ã¦'Ã¥ ¸Ã£â€šÃ¢ read.csv(C:/Users/Alexandros/Dropbox/MSc/second Semester/Data investigation/Assignment/transfusion.csv) testdata à ¯Ã¦'Ã¥ ¸Ã£â€šÃ¢ read.csv(C:/Users/Alexandros/Dropbox/MSc/second Semester/Data investigation/Assignment/test.csv) # relegating the datasets to dataframes dftrain à ¯Ã¦'Ã¥ ¸ data.frame(traindata) dftest à ¯Ã¦'Ã¥ ¸ data.frame(testdata) sapply(dftrain, typeof) # give better names to segments names(dftrain)[1] à ¯Ã¦'Ã¥ ¸ ID names(dftrain)[2] à ¯Ã¦'Ã¥ ¸ recency names(dftrain)[3]㠯æ'Ã¥ ¸frequency names(dftrain)[4]㠯æ'Ã¥ ¸cc names(dftrain)[5]㠯æ'Ã¥ ¸time names(dftrain)[6]㠯æ'Ã¥ ¸donated # names(dftest)[1]à ¯Ã†'Ã… ¸ID names(dftest)[2]㠯æ'Ã¥ ¸recency names(dftest)[3]㠯æ'Ã¥ ¸frequency names(dftest)[4]㠯æ'Ã¥ ¸cc names(dftest)[5]㠯æ'Ã¥ ¸time names(dftest)[6]㠯æ'Ã¥ ¸donated # drop time segment from the two records dftrain$ti

Friday, August 21, 2020

AL 3 CRJ 520II Response Essay Example | Topics and Well Written Essays - 250 words

AL 3 CRJ 520II Response - Essay Example Ebb and flow inquire about recommends sedate court projects and adolescent projects, which incorporate restorative, instructive, and family segments, give off an impression of being powerful in recidivism decrease (Drake and Miller, 2009). As indicated by explore, intellectual social projects frequently lead to positive results. These positive results are relied upon to bring about a 6.9% recidivism decrease (Drake and Miller, 2009). With respect to high hazard guilty parties, Lipsey and Landenberger (2005) discovered littler example size, participation checking, intercession adherence, and psychological wellness experts described the exploration and showing programs. Positive results were accounted for. Specialists further propose positive results are relied on the nature of the psychological social program gave. Maybe actualizing grown-up treatment programs that look like adolescent treatment projects will end up being successful. To begin with, I would get criticism from residents in my home state so as to get a general agreement. I would hold a town lobby/network meeting in huge/key wards. I would welcome key players to talk including province prison and state jail authorities, people who work in wrongdoer treatment programs, post trial agents, prison guards, a spending expert, and a couple restored detainees who have profited by treatment during and after restriction. What's more, I would likewise welcome relatives of detainees to talk in regards to the viability of recovery. Obviously this appears to be somewhat over board, however we are talking about an issue that influences everybody in the state. My discourse: We are largely mindful that crime percentages change. Some exploration and factual information battle crime percentages have dropped. However some exploration and measurable information battle crime percentages have expanded. What's more, all through this nation including this state, we have seen an expansion in imprisonment rates, with no conceivable

Wednesday, May 27, 2020

The Interplay of Black and White in Invisible Man - Literature Essay Samples

In his seminal work Invisible Man, Ralph Ellison depicts the dramatic and enlightening account of the life of the novel’s main character as he grows in understanding of himself and the reality of the world he inhabits. This unnamed narrator, a black man in a white man’s America, initially sets his sights on becoming the kind of successful, notable black man that pleases whites before becoming disillusioned with this concept and struggling to retain his own identity. Throughout his trials, the narrator is subjected to the suffocating and ever-present subjugation of his race, even as he seems to be in control of his own choices. Interestingly, Ellison chooses to illustrate this developing racial power dynamic with recurring descriptions of black and white objects that serve as representations of the two races and their relation to each other in the novel. With extensive black and white symbolism and imagery that ultimately portrays the cruelly inescapable domination of wh ites over blacks in this time period, Ellison paints a nuanced picture of the racial power dynamic characterizing the United States of the early 20th century. Ellison initializes this connection between the literal colors of black and white and the actual races with the symbolic object of a blindfold, creating a clear statement on the kind of treatment to which whites are subjecting blacks. Deceived by his school’s superintendent, the narrator finds himself in the midst of a â€Å"battle royal† with other young black men meant for the entertainment of a room of rich white dignitaries (Ellison 17). He is soon blinded with â€Å"broad bands of white cloth,† as are the other men forced to brawl (Ellison 21). This white blindfold effectively serves as a literal representation of what whites are doing to blacks figuratively: blinding them from reality for the purpose of controlling them. In order to keep the African American population complacent with the intolerable state of race relations in society, it is necessary to prevent them from seeing things for what they are. Whites trick blacks such as the narrator into believi ng that their current situation is not undesirable, but accomplished, allowing the white population to better keep them under their dominion. This initial portrayal of the racial power dynamic crafts a clear and straightforward image of who has the power and who doesn’t in 20th-century American society. Later on and throughout the story, Ellison deepens this understanding by establishing a relationship between white clothing and power, thereby leading the reader to make the connection that all power somehow originates from whites. The first notable example of this relationship occurs at the Golden Day, the bar to which the narrator brings the sickly Mr. Norton for a drink after his visit with Jim Trueblood. Upon their arrival at the tavern, a group of irreverent black veterans, many of which appear to be mentally-ill, practically swarm the elderly Mr. Norton. Soon their caretaker, Supercargo, makes his bombastic appearance: â€Å"WHAT’S GOING ON DOWN THERE?† a voice shouted from the balcony. Everyoneturned. I saw a huge black giant of a man, dressed only in white shorts, swaying on thestairs. It was Supercargo, the attendant. I hardly recognized him without his hard-starchedwhite uniform. Usually he walked around threatening the men with a strait jacket whichhe always carried over his arm, and usually they were quiet and submissive in hispresence. But now they seemed not to recognize him and began shouting curses. (Ellison82) Typically Supercargo dons an all-white uniform for carrying out his duties as attendant. In distinguishing himself this way, he can command authority among the men he is tasked to look after. However, when he is lacking the complete white suit from which he derives his power, this becomes difficult and even impossible, as his wards eventually turn against him. In this example, Supercargo’s white uniform is emblematic of the intimidating power that whites possess over their black counterparts, for once he is removed from his uniform, Supercargo seems to lose any control he once had over the war veterans. This relationship between Supercargo and white power becomes even more apparent as the veterans begin to take out their frustrations on this traditional power dynamic through beating Supercargo, a proxy or stand-in for the white man. Thus, the overpowering of Supercargo by black men does not signify a reversal of the power structure; rather, as he is no longer imbued with the a uthority of his currently absent white uniform, this scene serves simply as a kind of catharsis for the men, who still make the connection between their black caretaker clad in white and the domineering power of whites themselves. Ellison adds another facet to the racial power dynamic in Invisible Man with the intermixing of black and white paint later on in the book. After giving up on his futile mission of delivering Bledsoe’s letters in the hopes of one day returning to school, the narrator takes up a job at Liberty Paints, manufacturer of the â€Å"Optic White† paint sold chiefly to the government (Ellison 201). This fact in itself reveals something of how Ellison sees the U.S. government’s role the racial power dynamic: it seeks to maintain power over blacks by painting itself white, effectively barring blacks from having a say within government by electing mainly whites to official positions. What reveals more insight, though, is the way in which this Optic White paint is made. As the narrator’s new (and short-lived) boss, Kimbro, demonstrates the steps involved, the narrator looks on in confusion, for in order to craft the purest white paint of all, according to Kimbro, one m ust incorporate a good deal of jet black liquid into the mix (Ellison 200). This detail adds an intriguing dimension to the standard power structure of white dominance over blacks. Through following this recipe for creating Optic White paint, Ellison leads the reader to determine that white society takes the contributions of what they see as the inferior black population and exploits them to become even greater, if not more powerful. It can be said, then, that, in a way, whites derive their power from simply taking advantage of what blacks have to offer in society without acknowledging the source. The complexity of this relationship between the races calls for imagery that is somewhat illogical; the narrator is so dumbfounded at the sight of the paint and black liquid interplaying in this way partly because this likely would not occur. The improbability of this kind of chemical reaction—at least to the average reader—makes it obvious that Ellison is not aiming to achie ve scientific accuracy, but rather expound on the relationship between whites and blacks hitherto established with other imagery of this nature. Towards the conclusion of Ellison’s work, the author illustrates how the narrator figures personally into this racial power dynamic, again with colored clothing. After once again becoming disillusioned (now with the Brotherhood), the narrator is accosted by some of Ras the Exhorter’s men as he is walking through the streets of Harlem. To disguise himself he obtains a pair of dark sunglasses and a large white hat, leading to numerous instances of mistaken identity for a seemingly ubiquitous character known as Rinehart (Ellison 484). In the context of this escapade through Harlem disguised as Rinehart, his newly acquired white hat symbolizes the co-opting of the power associated with clothing of the same color for his own purposes of protection through invisibility. To most whites—as he soon comes to fully realize at the end of the novel—the narrator is practically invisible: people avoid noticing him, and even when they acknowledge his physical presence, th ey do not care about his personal concerns or ideas. This is made painfully apparent to the narrator, as well as the reader, with his later encounters with fellow members of the Brotherhood. Even though he obviously has the most pertinent and valuable experience among them, they refuse to accept his opinions on the actions the Brotherhood should take to better connect with the people of Harlem, preferring instead that he just reiterate what they want to hear. The Brotherhood (as a stand-in for white society at large) ignores the narrator’s ideas and perspective—in essence failing to truly see him. The hat utilizes this invisibility to his advantage as he attempts to avoid confrontations with Ras’s cronies and thus represents a re-purposing of a traditionally white power, adding yet another layer to the complex condition of race relations at play here. While whites maintain prominent control over their black counterparts, this does not prevent people such as the narrator from finding ways to exploit this very power dynamic and thereby benefit from it in some aspect. The narrator’s newfound power through adopting white clothing is highlighted once again in the detail of his shoes provided purposefully by Ellison. After a woman realizes the he is indeed not â€Å"Rine the runner† on account of the lack of Rinehart’s signature shoes, the narrator becomes â€Å"aware of [his] black-and-white shoes for the first time since the day of Clifton’s shooting† (Ellison 492). This is one of the only times that both the colors black and white coexist on a single item of clothing, and it is the first time the book addresses the bicolor nature of his shoes, emphasizing the importance of this particular detail. The significance of his shoes lies in the fact that black and white share an equal place by occupying space on the same article of clothing. Not only does this reinforce the connection between the narrator’s newly-achieved empowerment and the color white, but it serves as a harbinger of what Ellison sees as the po tential future of the racial power dynamic explored with black and white symbolism up to this point. Shoes, being the means with which one steps forward firmly, link the equality of the literal colors on the narrator’s footwear with the equality of the races that Ellison foresees for the future. From the beginning of Ralph Ellison’s Invisible Man, the author makes the deliberate choice to describe and comment on the power relationship between whites and blacks that characterized the early-20th-century America in which the events of the novel take place through careful and consistent references to black and white objects, particularly clothing. Over the course of his story detailing the life and struggles of the narrator, Ellison develops this dynamic into something much more complicated. In so doing, he no doubt hopes to paint a more accurate picture of events as he himself experienced, for things in real life are hardly ever so simple. While whites do indeed maintain tight control of the power dynamic between them and blacks, even those subjugated by these forces find ways to exploit them for their own benefit and create some semblance of power. Nevertheless, throughout the novel it remains clear to the reader that the power and domination exerted by the white popula tion—and even by the U.S. government—over the African American population and society is total and inescapable. Even men like Bledsoe and the narrator, who seem to possess some power in their positions for a time, only come by this power by the allowance and facilitation of whites. At the same time, however, with this same tool of color, Ellison expresses a resolute hope for an equality that awaits in the future. By constructing and developing this theme throughout his entire work, Ellison communicates to the reader the feelings experienced by the African American population during this period of United States history.

Saturday, May 16, 2020

The Two Sides of the Harry Potter Story

The Two Sides of the Harry Potter Story There is no doubt that the Harry Potter series has made a huge impact on the minds of children. The debate is on whether that impact has been positive or negative. On one side there is a group that says the book promotes good behavior through the main characters in the story. They go through tough situations but yet stand up for the truth and do things that are morally right. They say that this has a very positive influence on children. The other group states that the inclusion of witchcraft and dark elements in the book can expose young minds to the world of the occult, which could be a serious problem. They feel that there are better ways to teach morals to children than by dabbling with witchcraft. Both groups seem to have valid points and it is necessary to hold open debate to come to a proper conclusion. Although we cannot say that there is any solid proof of the stories having a positive, moral influence on the minds of kids, there is abundant proof that these single series have had a profound influence on their reading habits, than any other book has had on this generation of kids. With the abundance of video games and the Internet, children have for a long time had entertainment through the electronic medium. But the Harry Potter series has been able to successfully reverse that trend. Scores of children have been waned away from their electronic toys towards reading the Harry Potter books. Children even end up rereading these books as they grow up. This story has definitely had an immense impact of children’s reading habits. This factor perhaps needs to be taken into consideration when debating about the books’ influence on kids.

Wednesday, May 6, 2020

Differences Between The Faulins Tale And The Canterbury...

If you and 29 of your friends went on a trip and all told stories, whose story would win? In the case of The Canterbury Tales by Geoffrey Chaucer, this was the question at hand. The Canterbury Tales explains the religious pilgrimage of many individuals to Canterbury, and the stories they told along the way. With them traveled a Host, who served as the judge of the contest. He determined who the winner would be based off of how clean the story was and if the story was morally sound or not. The prize for winning the storytelling contest was a free dinner. Based on the rules set by the Host, The Franklin would have won the contest. The first criteria that each story must meet, is that it must be clean. Both of these tales reflect on†¦show more content†¦Even when Arveragus has to be away from Dorigen, their love survives as well as their faithfulness. â€Å"The Merchant’s Tale† on the the other hand is not so clean. This story depicts the marriage of an o ld knight named January, and his young and beautiful wife, May. Throughout the entirety of the story many aspects are not clean. The first example of this is shown the night of the wedding. We are in holy wedlock, and we may. And blessed be the yoke that we are in For nothing we can do will count as sin. A man is not a sinner with his wife, He cannot hurt himself with his own knife; We have the law’s permission thus to play.’ And so he laboured till the break of day. (372-373) January was very adamant about his final wedding guests leaving so that he can be alone with May. In the time after they left, they took part in actions deemed not clean. As time went on in the story, May started to have very strong feelings for an attendant in the house named Damian. Their love was a secret from January, and only expressed within letters to one another. Until one day it was expressed in a much more extreme way. Catching a branch, and with a spring she thence - Ladies, I beg you not to take offence, I can’t embellish, I’m a simple man- Went up into the tree, and Damian Pulled up her smock at once and in he thrust (386) As clearly stated in this quote,

Tuesday, May 5, 2020

Fads in the 1940s Essay Example For Students

Fads in the 1940s Essay FADS OF THE 1940SDuring the 1940s, growing up in the United States of American became more complex. Technology provided new interest and amusements. The Great Depression and two world wars touch young peoples lives. Still some things did not change. Going to school and having fun were the only thing that children had to worry about. As the economy grew, many Americans were able to buy goods that were consider luxuries. Base ball continued to be a favorite sport of the Americans and with the National league out is was a hit in the 40s. During Warner Brothers first decade, its typical motion pictureoften a relatively low budget, extremely fast pacing, and a working class setting characterized a musical, a gangster film, or a film biography. Chuck Jones was an American motion-picture animator, writer, director, and producer, known for his work on many classic animated films. He was the creator of Bugs Bunny, Porky Pig, and Daffy Duck. In the early 1940s DC continued to innovate and to i ntroduce new superheroes. These included the Flash, who had superhuman speed; Green Lantern, whose magic ring of green meteorite gave him the power to shape energy; and Wonder Woman, an Amazon possessing superhuman strength and speed as well as the ability to deflect projectiles. Now with all these luxuries appliances on sale for a cheap price they were found every where in the states. Now there were refrigerators, electric toasters were only some of the appliances. The product that probally was the greatest effect on american life was the television set. In 1946 only about 17,000 television sets existed in the entrie country. In the 50s, almost 7 million set were sold each year.