### Obtain the frequencies of a categorical variable
### For the frequency chart, load the plyr package

#install.packages('plyr')
library(plyr)


count(my_data, 'CatVar')

##   CatVar freq
## 1      3    7
## 2      4   31
## 3      5  104
## 4      6  115
## 5      7   36
## 6      8    7