Publications by Raymond Fries
607_Hw_5
Questions Do you have enough information to calculate the total population? What does this total population represent? Calculate the Efficacy vs. Disease; Explain your results. From your calculation of efficacy vs. disease, are you able to compare the rate of severe cases in unvaccinated individuals to that in vaccinated individuals? Question...
2702 sym R (4154 sym/13 pcs)
607_Hw_7
Objective: Pick three of your favorite books on one of your favorite subjects. At least one of the books should have more than one author. For each book, include the title, authors, and two or three other attributes that you find interesting. Take the information that you’ve selected about these three books, and separately create three files wh...
2484 sym R (23914 sym/11 pcs) 1 tbl
Hw_605_Wk_8
11 A company buys 100 lightbulbs, each of which has an exponential lifetime of 1000 hours. What is the expected time for the first of these bulbs to burn out? (See Exercise 10.) \(E(M)= \frac {\mu}{n}\Rightarrow1000/100 = 10\) The expected time for the first bulbs to burn out it is 10hrs. 14 Assume that X 1 and X 2 are independent random variab...
2547 sym R (301 sym/8 pcs)
Discussion 605 Wk 9
9.1 Central Limit Theorem, Question 11 11 Write a computer program to simulate 10,000 Bernoulli trials with probability .3 for success on each trial. Have the program compute the 95 percent confidence interval for the probability of success based on the proportion of successes. Repeat the experiment 100 times and see how many times the true valu...
652 sym R (1088 sym/2 pcs) 1 img
Project_Four
Main Objective: The main objective is to create a email text classifier using ham spam data from https://spamassassin.apache.org/old/publiccorpus/. We are also expected to manually unzip the data and also programatically unzip the data. Predict the class of new documents withheld from the example corpus. Then come up with a different set of do...
5036 sym R (8421 sym/16 pcs) 1 img
Taylor
This week, we’ll work out some Taylor Series expansions of popular functions. f(x) =\(\frac{1}{(1−x)}\) f(x) = \(e^x\) f(x) = ln(1 + x) For each function, only consider its valid ranges as indicated in the notes when you are computing the Taylor Series expansion. Please submit your assignment as a R-Markdown document. 1 \(f(x) =\frac{1}{(1�...
1184 sym R (683 sym/3 pcs) 3 img
Final
Predicting Stock price movement from companies investor relations articles In this project I will attempt to see if articles from Advanced Micro Devices,Intel,Apple and Nvidia investor relations pages are able to predict whether or not their stock price will move positively or negatively on the day of publishing. Data Storage All data will be ...
5990 sym R (11597 sym/24 pcs)