Publications by Heidi Peterson
Milestone - John hopkins R - Capstone
Task 1: Getting and Cleaning the data basic summaries of the three files? Word counts, line counts and basic data tables word count line counts Basic data Tables ## File.Name size num.lines num.words ## 1 blogs 200.4242 899288 37334131 ## 2 news 196.2775 1010242 34372530 ## 3 twitter 159.3641 2360148 30373583 basic...
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Blood for oil presentation
Blood for Oil PresentationHeidi S Peterson4/27/2020 Introduction This presentation is about the Shiny Project. The Shiny project is to examn dates next to events to see correlation as to oil prices. Also to make prediction as to if Oil controls outcomes of elections rather then Democratic votes. There is so much information to explore an...
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Prediction Assignment Writeup
One thing that people regularly do is quantify how much of a particular activity they do, but they rarely quantify how well they do it. In this project, your goal will be to use data from accelerometers on the belt, forearm, arm, and dumbell of 6 participants. The goal of your project is to predict the manner in which they did the exercise. This ...
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Regression Models Course Project
Executive Summary MOTORTREND Report using mtcar’s data Report to MotorTrend’s questioning the following Looking at a data set of a collection of cars, they are interested in exploring the relationship between a set of variables and miles per gallon (MPG) (outcome). They are particularly interested in the following two questions: “Is an aut...
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Regression Models Course Project- Full disclosure
#Executive Summary ## MOTORTREND Report using mtcar’s data Report to MotorTrend’s questioning the following Looking at a data set of a collection of cars, they are interested in exploring the relationship between a set of variables and miles per gallon (MPG) (outcome). They are particularly interested in the following two questions: “Is an ...
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Statistical Inference: The Central Limit Theorem
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. The project consists of two parts: A simulation exercise. Basic inferential data analysis. A simulation exercise In this project you will investiga...
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ToothGrowth
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. Load the ToothGrowth data and perform some basic exploratory data analyses data("ToothGrowth") str(ToothGrowth) ## 'data.frame': 60 obs. of 3 v...
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