brain of mat kelcey...


simple statistics with R

October 03, 2009 at 03:43 PM | categories: Uncategorized

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

make a vector ...

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> 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 ...

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> 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 ...

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> 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!

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

so simple!