brain of mat kelcey


simple statistics with R

October 03, 2009 | View Comments

i'm learning a new statistics language called R and it's pretty cool.

make a vector ...

1
2
> c(3,1,4,1,5,9,2,6,5,3,5,8)
 [1] 3 1 4 1 5 9 2 6 5 3 5 8

turn it into a frequency table ...

1
2
3
> table(c(3,1,4,1,5,9,2,6,5,3,5,8))
1 2 3 4 5 6 8 9
2 1 2 1 3 1 1 1

sort by frequency ...

1
2
3
> sort(table(c(3,1,4,1,5,9,2,6,5,3,5,8)))
2 4 6 8 9 1 3 5
1 1 1 1 1 2 2 3

and plot!

1
> barplot(sort(table(c(3,1,4,1,5,9,2,6,5,3,5,8))))

Rplot

so simple!

blog comments powered by Disqus