Clustering in python

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First, use dataset1 (csv) with unsupervised learning techniques. Use Kmeans to determine the # of

clusters. Tabulate the # of clusters from 1 – 40 and total within-cluster variance. Plot the scree plot. Using

hierarchal clustering, calculate the pairwise distance. Create various dendrograms using complete and

average linkage. Cut dendogram into groups of 5-7. Which is the most appropriate # of groups?

Next, do the same exercise above except this time we use random forest classification.

Last, using dataset2 (csv), write a function (without using Kmeans related packages) that calculates the

within cluster variance, aggregates the data by the cluster number, and plots “total within cluster vs.

number of cluster”. Add the cluster number to the last column of dataset, predict the cluster number using

logistic regression and calculate the accuracy of your model.

Briefly compare results from each method.

Sample Solution

Sample Solution

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The “Ghetto” Cycle: A Study of Recidivism and No Opportunities

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The assignment requires the student to identify a research topic of interest (i.e., create an operationalized

research question) and locate seven peerreviewed articles regarding said topic.
The paper must include the following information:
1) Your name
2) Develop an operationalized research question of interest using an independent and dependent variable

of
your choosing
3) 7 peer reviewed articles
4) The articles should be organized in a logical order. They can either be organized by:
a. findings/results
b. sample (who they tested)
c. measurement (instrument used to measure/test)
5) After the articles have been organized, each article should be summarized. Each summary should be

one to
two pages in length. Summaries should be detailed and include APA “in text” citations.

Sample Solution

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Health Care Supervision and Human Services

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Performance appraisal of problem employee You have an employee in HR who is always absent on

Mondays and habitually late several times during the week. He leaves his work station frequently to “have

a smoke”. In addition, his wife, who is a supervisor in the medical billing office, comes to visit.

Complaints have been coming from the other HR employees and the medical billing employees. It is time

for his performance appraisal.

Write a performance appraisal for him. Also address what you, as a manager, would do concerning the

complaints from the medical billing employees. Be detailed in actions taking place during and after the

session.

Sample Solution

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Dan Pink’s “Drive” – Initial Reactions

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Read Dan Pink’s book “Drive”, form some initial reactions to the content of the text. You do not have to

have read the entire book to complete this assignment. As long as you’re at least halfway through the
text, all is well.
For this discussion forum, please summarize two of Pink’s most compelling BIG ideas/examples
regarding what drives a human being to achieve greatness in their lives. Once you’ve
presented the two BIG ideas you’ve come across in Pink’s text, please also analyze the ideas
from your perspective as a young intellectual attempting to complete a college education. Are
his ideas correct and would they work in your life? In the lives of others you know, be they
friends, family members, lovers, etc.?

Sample Solution

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