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README.md
helpers.R
ropes.txt
server.R
ui.R

README.md

Regression Scatterplot for Climbing Ropes data

This is a Shiny app that generates a scatter diagram to illustrate the regression method using Climbing Ropes data set.

Motivation

The goal is to provide a visual display of some of the concepts from Statistics, Chapter 10: Regression (pages 158-165):

  • Point of averages
  • SD line
  • Graph of averages
  • Regression line
  • Correlation coefficient

Reference: "Statistics" by David Freedman, Robert Pisani and Roger Purves (2007). Fourth Edition. Norton & Company.

Data

The data set is in the ropes.txt file which contains 101 rows and 8 columns, although the app des not uses variables: Name and Brand

How to run it?

There are many ways to download the app and run it:

library(shiny)

# Easiest way is to use runGitHub
runGitHub("shiny-introstats", "gastonstat", subdir = "regression-ropes")

Or you can clone the git repository, then use runApp():

# First clone the repository with git. If you have cloned it into
# ~/shiny-introstats, first go to that directory, then use runApp().
setwd("~/shiny-introstats/regression-ropes")
runApp()