Publications by Umer Farooq
Project 2: Tidying and transforming table Data 607
Project 2 Instructions: Choose any three of the “wide” data sets identified in the Week 6 Discussion items. (You may use your own data set; please don’t use my Sample Post dataset, since that was used in your Week 6 assignment!) For each of the three chosen datasets: Create a .CSV file (or optionally, a MySQL database!) that includes all...
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Tidy and Transformation: Data 607 Week 5 Assignment
Week 5 Assignment: Instructions: The chart below describes arrival delays for two airlines across five destinations. Your task is to: Create a .CSV file (or optionally, a MySQL database!) that includes all of the information below. You’re encouraged to use a “wide” structure similar to how the information appears below, so that you can p...
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Data 606: Lab 3 Probability
The Hot Hand Basketball players who make several baskets in succession are described as having a hot hand. Fans and players have long believed in the hot hand phenomenon, which refutes the assumption that each shot is independent of the next. However, a 1985 paper by Gilovich, Vallone, and Tversky collected evidence that contradicted this beli...
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Introduction to Data
Some define statistics as the field that focuses on turning information into knowledge. The first step in that process is to summarize and describe the raw information – the data. In this lab we explore flights, specifically a random sample of domestic flights that departed from the three major New York City airports in 2013. We will generat...
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Project 1: Data analysis
Introduction : In this project, we were given a text file with chess tournament results where the information has some structure. Our job was to create an R Markdown file that generates a .CSV file (that could for example be imported into a SQL database) with the following information for all of the players: Player’s Name, Player’s State, T...
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String manipulation with examples
A. Working with Strings Regular expressions fruits <- c('Apple', 'Banana', 'Orange', 'Grape', 'Pineapple', 'Kiwi', 'Peach', 'Mango', 'Strawberry', 'Guava', 'Cherry', 'Apple', 'banana') fruits =="Banana" #exact match ## [1] FALSE TRUE FALSE FALSE FALSE FALSE FALSE FALSE FALSE FALSE FALSE FALSE ## [13] FALSE which(fruits == "Banana") #use which...
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Assignment 3: Data 607: Data Manipulation
Setting up the environment: library(tidyverse) ## ── Attaching packages ─────────────────────────────────────── tidyverse 1.3.2 ── ## ✔ ggplot2 3.4.0 ✔ purrr 1.0.1 ## ✔ tibble 3.1.8 ✔ dplyr 1.0.10 ## ✔ tidyr 1.3.0 ✔ stringr 1....
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Assignment 1: Data 607
According To Super Bowl Ads, Americans Love America, Animals And Sex Note : The data has been acquired from www.fivethirtyeight.com Introduction Introduction will try to give an overview of all the key features about the data and what this analysis is aimed at. A) About the data: This data contains a list of ads from the 10 brands that had th...
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Home Work week 1
Home Work week # 1 Question 1: Write a loop that calculates 12-factorial Ans: num <- 12 # Value that we will find factorial for # We can also take the input from user and find factorial for any positive integer "n" by replacing 12 with "as.integer(readline(prompt="Enter a number: "))" factorial <- 1 # In case of taking value from the user...
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Hands-on week 1
Hands-on Quiz Week 1 Question 1 : Create a vector that contains 20.(You may chose whatever numbers you like, but make sure there are some duplicates) Answer : vec <- c(1:7, 5:13, 12:15) vec ## [1] 1 2 3 4 5 6 7 5 6 7 8 9 10 11 12 13 12 13 14 15 Question 2 : Use R to convert the vector from question 1 into a character vector An...
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