Publications by Rachel Saidi
My first R Lab
Introduction to R and RStudio When I don’t use hashtags, the font is black - this plain text largest subtitle smaller subtitle this is probably the smallest subtitle text #this will not work out as subtitle Create a chunk to write code windows: control alt i mac: command option i #remove.packages("rlang") #install.packages("rlang") library...
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R Lab 1 - Introduction to R and R Studio in Tidyverse
Install and Load Packages # install.packages("tidyverse") # install.packages("openintro") library(tidyverse) ## Warning: package 'tidyverse' was built under R version 4.1.3 ## -- Attaching packages --------------------------------------- tidyverse 1.3.2 -- ## v ggplot2 3.3.6 v purrr 0.3.4 ## v tibble 3.1.6 v dplyr 1.0.9 ## v tid...
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Reading Data into R in Three Different Ways (Quarto)
Reading Data in 3 Ways Author Rachel Saidi Published February 5, 2022 Load Data from Three Different Sources In the following notes, you will load data directly from a URL, directly from pre-build datasets in R, and finally from a file you save in your own folder. Load Data from a URL You can load data from a folder or you can load data di...
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Working with Dates in R (More Advanced Topic)
Working with Dates (More Advanced Topic) Author Rachel Saidi 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 Dates information can be challenging, due to the extreme variability of how it is recorded in a particul...
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Data Journalism - revealing doctor/pharma relationships
Data 110 Data Journalism Rachel Saidi May 21, 2022 Remember to set your working directory Recall that you set the working directory to this folder by selecting from the top menu Session>Set Working Directory>Choose Directory. Then select the folder where you are keeping all your datasets for this class. By doing this, we can load the files in th...
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Bar Charts with Diamonds Data HTML
Bar Charts with Diamonds Dataset Author Rachel Saidi Published June 1, 2021 Access Library Tidyverse library(tidyverse) Load the pre-built dataset, Diamonds, and view it in the global environment head(diamonds) # shows the first few lines of the dataset # A tibble: 6 x 10 carat cut color clarity depth table price x y ...
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Heatmaps, Treemaps, Streamgraphs, and Alluvials
Treemaps Heatmaps Streamgraphs and Alluvials Rachel Saidi 2/18/2021 So many ways to visualize data Load the packages and the data from flowingdata.com website The data is a csv file that compares number of views, number of comments to various categories of Yau’s visualization creations #install.packages("treemap") #install.packages("RColorBr...
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Heatmaps, Treemaps, Streamgraphs, and Alluvials html
Treemaps Heatmaps Streamgraphs and Alluvials Author Rachel Saidi Published February 18, 2021 So many ways to visualize data Load the packages and the data from flowingdata.com website The data is a csv file that compares number of views, number of comments to various categories of Yau’s visualization creations #install.packages("treemap...
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Bar Charts with Diamonds Data Slides
Bar Charts with Diamonds Dataset Rachel Saidi 6/1/2021 Access Library Tidyverse library(tidyverse) Load the pre-built dataset, Diamonds, and view it in the global environment head(diamonds) # shows the first few lines of the dataset # A tibble: 6 x 10 carat cut color clarity depth table price x y z <dbl> <ord> <o...
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Scatterplots, Correlation, Regression, and Modeling
Correlation, Scatterplots, and Regression Analysis -2 Author Rachel Saidi Published April 1, 2021 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 typ...
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