Publications by Alyssa M
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Introduction The objective of this workshop is to introduce you the the art of Exploratory Data Analysis (EDA). The introduction to section 7.1 in R4DS gives a short and useful overview of what EDA is. In this project we will be working with the diamonds data set. In the console type ?diamonds to link to a help file describing the dimond data ba...
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Introduction In this workshop we will do some of the exercises from Chapter 5 of R4DS. Exercises from 5.2.4 Use a separate code block for each exercise. for example: 1. Find all flights that had an arrival delay of two or more hours. flights %>% filter(arr_delay >= 120) # note delays are in minutes ## # A tibble: 10,200 x 19 ## year mont...
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R Markdown This is an R Markdown document. Markdown is a simple formatting syntax for authoring HTML, PDF, and MS Word documents. For more details on using R Markdown see http://rmarkdown.rstudio.com. When you click the Knit button a document will be generated that includes both content as well as the output of any embedded R code chunks within t...
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Introduction This project is intended to extend and supplement what we talked about last week in discussing Linear Regression. In some of the sections you will be asked to write R code to solve a particular problem. In some you will be asked to answer questions in your own words. Summary and Exercises Single Variable Regression We are trying to...
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Tutorial 1- Multiple Regression
library(tidyverse) ## -- Attaching packages --------------------------------------- tidyverse 1.3.1 -- ## v ggplot2 3.3.5 v purrr 0.3.4 ## v tibble 3.1.2 v dplyr 1.0.7 ## 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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library(tidyverse) library(openintro) library(statsr) library(broom) Exercise 1 What are the dimensions of the dataset? What does each row represent? ##arbuthnot$girls dim(hfi) ## [1] 1458 123 The dimensions of HFI are 1458 rows by 123 columns. The rows represent the personal freedom scores. Exercise 2 The dataset spans a lot of years, bu...
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