Publications by Rachel Saidi
Data 110 Household Debt
Load the libraries # install.packages("tidyverse") # install.packages("zoo") library(tidyverse) ## -- Attaching packages --------------------------------------------------------------------- tidyverse 1.3.0 -- ## v ggplot2 3.3.2 v purrr 0.3.4 ## v tibble 3.0.2 v dplyr 1.0.0 ## v tidyr 1.1.0 v stringr 1.4.0 ## v readr 1.3...
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Correlation, Scatterplots, and Regression Analysis
Create a Scatterplot In this example, look at US crime rates at the state level, in 2005, with rates per 100,000 population for crime types such as murder, robbery, and aggravated assault, as reported by the Census Bureau. There are 7 crime types in total. The dataset is clean to begin with. library(readr) ## Warning: package 'readr' was built un...
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UN Votes
Introduction How do various countries vote in the United Nations General Assembly, how have their voting patterns evolved throughout time, and how similarly or differently do they view certain issues? Answering these questions (at a high level) is the focus of this analysis. Packages We will use the tidyverse, lubridate, and scales packages for ...
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MATH 217 R Lab 1 in Base R
Introduction to R and R Studio Load the Data from OpenIntro Website source("http://www.openintro.org/stat/data/arbuthnot.R") The Data: Dr. Arbuthnot’s Baptism Records arbuthnot <- arbuthnot See the dimensions of the data dim(arbuthnot) ## [1] 82 3 Display the names of the variables names(arbuthnot) ## [1] "year" "boys" "girls" Some exp...
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temp lab 1
Introduction to R Studio The function “source” allows r to connect with the data on the website source("http://www.openintro.org/stat/data/arbuthnot.R") The Data: Dr. Arbuthnot’s Baptism Records bla h bhlad Exercise 1 What command would you use to extract just the counts of girls baptized? Try it! arbuthnot$girls ## [1] 4683 4457 4102 4...
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Heatmaps, Treemaps, Streamgraphs, and Alluvials
So many ways to visualize data Treemaps Treemaps display hierarchical (tree-structured) data as a set of nested rectangles. Each branch of the tree is given a rectangle, which is then tiled with smaller rectangles representing sub-branches. A leaf node’s rectangle has an area proportional to a specified dimension of the data.[1] Often the leaf...
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Working with Dates
body { background-color: #e1dce8; } Working with Dates in R Adapted from Mark Niemann-Ross’s LinkdIn tutorial. All datasets for this tutorial may be found in the class datasets link: http://bit.ly/data110datasets Getting started - some basics Read in the dates_example.csv dataset. library(tidyverse) ## Warning: package 'tidyverse' was bui...
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MATH 165 Predicted Grade Probabilities
library(tidyverse) ## -- Attaching packages --------------------------------------- tidyverse 1.3.1 -- ## v ggplot2 3.3.3 v purrr 0.3.4 ## v tibble 3.1.0 v dplyr 1.0.5 ## v tidyr 1.1.3 v stringr 1.4.0 ## v readr 1.4.0 v forcats 0.5.1 ## -- Conflicts ------------------------------------------ tidyverse_conflicts() -- #...
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Diamonds - Learn about Bar Graphs
Install required packages #install.packages("tidyverse") library(tidyverse) #use library(package) every new document ## Warning: package 'tidyverse' was built under R version 4.1.2 ## -- Attaching packages --------------------------------------- tidyverse 1.3.1 -- ## v ggplot2 3.3.5 v purrr 0.3.4 ## v tibble 3.1.6 v dplyr 1.0.7 #...
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R-Lab 7 Inference for Numerical Data in Base R
Change the Background Color of the main body of the document body { background-color: #e1dce8; } download.file("http://www.openintro.org/stat/data/nc.RData", destfile = "nc.RData") load("nc.RData") Exercise 1 What are the cases in this data set? How many cases are there in our sample? dim(nc) ## [1] 1000 13 Answer: There are 1000 cases i...
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