In this shiny app, the data in mtcars dataset is displayed in graphical form. Mtcars data set has 11 variables and 32 observations each. The user can view each variable as a histogram by clicking on the choice of radio button. Please note, use google chrome to view the app

data(mtcars) 
str(mtcars)

## 'data.frame':    32 obs. of  11 variables:
##  $ mpg : num  21 21 22.8 21.4 18.7 18.1 14.3 24.4 22.8 19.2 ...
##  $ cyl : num  6 6 4 6 8 6 8 4 4 6 ...
##  $ disp: num  160 160 108 258 360 ...
##  $ hp  : num  110 110 93 110 175 105 245 62 95 123 ...
##  $ drat: num  3.9 3.9 3.85 3.08 3.15 2.76 3.21 3.69 3.92 3.92 ...
##  $ wt  : num  2.62 2.88 2.32 3.21 3.44 ...
##  $ qsec: num  16.5 17 18.6 19.4 17 ...
##  $ vs  : num  0 0 1 1 0 1 0 1 1 1 ...
##  $ am  : num  1 1 1 0 0 0 0 0 0 0 ...
##  $ gear: num  4 4 4 3 3 3 3 4 4 4 ...
##  $ carb: num  4 4 1 1 2 1 4 2 2 4 ...

The graph shown below,is the graph displayed with the first radio button. It shows that the 20 mpg appears with the topmost frequency of 12 cars out of 32

I chose to do a simple app with mtcars as it was one of the first datasets I got familiar with, when I started the data science specialization track. Although a simple app, the histograms provide a lot of insight on the types and frequencies of data in mtcars dataset.