R code and Screen shots

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Variable importance for the bagging, random forests, and boosting has been computed for both the independent categories and the factor model predictors. The top 16 important predictors for each method and predictor set are presented in Fig.14.15.

(a) Within each modeling technique, which factors are in common between the independent category and factor models?
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Requirements: Possible R code and Screen shots

Sample Solution

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Organized and disorganized crime

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After reading the scenario below, imagine that you are a profiler for the police. Would you identify the crime scene as organized or disorganized? Explain your choice. What would you determine to be the victimology of the crime and the crime’s possible motivation? How would you describe the offender based on probabilities?

A 19-year-old black male is found dead in an alleyway. His body is within view of the street. The crime scene is south of downtown, in a high-crime urban neighborhood. No one appears to have seen or heard the incident. The victim appears to have died from blunt-force trauma to the back of the head. He is carrying no identification on him, but his back left pocket contains the receipt of a purchase he made just minutes before the police officer found him. A shovel with blood on it is among the trash in the dumpster nearby. A neighbor confirmed that the shovel was his, and he usually leaves it in the alleyway. He likes to garden, and his wife gets mad at him for leaving a dirty shovel in the house. The neighbor said he recognized the dead man as a “kid from the neighborhood” but does not know his name.

Sample Solution

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Summary of readings

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Read the required readings and answer the following questions:
Required readings:
Shi Zhecun, “One Evening in the Rainy Season” (1929).
Lee, Leo Ou-fan. “Textual Transactions: Discovering Literary Modernism through Books and Journals”
Mu Shiying, “Five in a Nightclub” (1932).
Questions:

  1. Use four sentences to summarize the beginning, developing, highlight, and ending of the plot development
    in “One Evening in the Rainy Season.”
  2. List at least FIVE modern Western literary Journals or societies introduced to Shanghai by the 1930s as
    mentioned in “Textual Transactions: Discovering Literary Modernism Through Books and Journals.” Have you
    heard any of them?
  3. Who are the five people and how are they “beaten” by life respectively in “Five in a Nightclub?

Sample Solution

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An analysis of an artist

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In this assignment, you will be identifying three resources which provide you historic, cultural, and/or artistic
context about your artist from Part I (VINCENT VAN GOUGH, FRIDA KAHLO,CLAUDE MONET). After
identifying these sources, you will provide a brief explanation as to why each is relevant to your topic and what
credentials each resource has as a truthful, reliable source of information. This is commonly called an
annotated bibliography.
What to Do
Your annotated bibliography should consist of 3 sources (articles, newspaper, textbook, etc.) that talk about
your artist, or about the art form/style indirectly.
Cite the source in proper APA format. The citations should be organized in alphabetical order by author just as
Follow with a brief annotation that summarizes the source (approx. 3-5 sentences). You may quote from the
source, but do not copy and paste the abstract. Ideally, all of the annotation should be in your own words.
In 1 or 2 sentences, explain the source’s relevance and importance to your issue.
You need to answer the following questions:
Who is the author? What is their background?
What kind of information is provided in the source? Is it a biography? Is there personal letter, etc. of the artist
included?
A summary of the information provided.
How will this information add to your research?
What is the relevance of the information?

Sample Solution

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