Publications by Dariusz Siergiejuk
R Bridge Course Final Project
R Bridge Course Final Project Dariusz Siergiejuk 2020-08-01 This is a final project to show off what you have learned. Select your data set from the list below: http://vincentarelbundock.github.io/Rdatasets/ (click on the csv index for a list). Another good source is found here: https://https//archive.ics.uci.edu/ml/datasets.html Homework Quest...
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R Bridge Week 1 Assignment
R Bridge Week 1 Assignment Dariusz Siergiejuk 2020-07-19 1. Write a loop that calculates 12-factorial. inPvec<-1 # to create vector for linking/binding outcomes together for (x in 1:12){ # browser() if(x == 1) inPvec <- 1 else { inPvec <- inPvec * x } cat(x, "!:", inPvec, "\n") } ## 1 !: 1 ## 2 !: 2 ## 3 !: 6 ## 4 !:...
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R Bridge Week 2 Assignment
Second Week R Homework Dariusz Siergiejuk 2020-07-26 One of the biggest challenges while working with data is wrangling. In this assignment we will use R to perform this task. Here is a list of data sets: http://vincentarelbundock.github.io/Rdatasets/ (click on the csv index for a list). Homework Questions Please select one, download it and per...
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Project Two Part Three
Project Two = File Three Dariusz Siergiejuk 2020-10-03 IS 607 – Project 2 The goal of this assignment is to give you practice in preparing different datasets for downstream analysis work. Your task is to: Choose any three of the “wide” datasets identified in the Week 6 Discussion items. (You may use your own dataset; please don’t use ...
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Project Two Part Two
Project Two = File Two Dariusz Siergiejuk 2020-10-03 IS 607 – Project 2 The goal of this assignment is to give you practice in preparing different datasets for downstream analysis work. Your task is to: Choose any three of the “wide” datasets identified in the Week 6 Discussion items. (You may use your own dataset; please don’t use my...
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Assignment Five
Assignment 5 Dariusz Siergiejuk 2020-09-26 Assignment – Tidying and Transforming Data The chart above describes arrival delays for two airlines across five destinations. Your task is to: (1) Create a .CSV file (or optionally, a MySQL database!) that includes all of the information above. You’re encouraged to use a “wide” structure simi...
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Project Two Part One
Project Two = File One Dariusz Siergiejuk 2020-10-03 IS 607 – Project 2 The goal of this assignment is to give you practice in preparing different datasets for downstream analysis work. Your task is to: Choose any three of the “wide” datasets identified in the Week 6 Discussion items. (You may use your own dataset; please don’t use my...
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