shiny_presentation

jeffzfw
2015-6-20

Question

A project to Write a shiny application need to be finished.

  • Some form of input (widget: textbox, radio button, checkbox, …)
  • Some operation on the ui input in sever.R
  • Some reactive output displayed as a result of server calculations

Plan

Decide to using iris dataset to finish this project.

  • Iris dataset is very famous dataset.
  • Easier to load.
  • Faster to deploy.

Summary of iris dataset

summary(iris)
  Sepal.Length    Sepal.Width     Petal.Length    Petal.Width   
 Min.   :4.300   Min.   :2.000   Min.   :1.000   Min.   :0.100  
 1st Qu.:5.100   1st Qu.:2.800   1st Qu.:1.600   1st Qu.:0.300  
 Median :5.800   Median :3.000   Median :4.350   Median :1.300  
 Mean   :5.843   Mean   :3.057   Mean   :3.758   Mean   :1.199  
 3rd Qu.:6.400   3rd Qu.:3.300   3rd Qu.:5.100   3rd Qu.:1.800  
 Max.   :7.900   Max.   :4.400   Max.   :6.900   Max.   :2.500  
       Species  
 setosa    :50  
 versicolor:50  
 virginica :50  



Plot of iris dataset