[EMAIL PROTECTED] [EMAIL PROTECTED] wrote:
I am an R newbie. I have a problem with computing a variance
on a vector.
data(cars) variance - function (x) mean(x^2)-mean(x)^2;
variance(cars[,1])
[1] 27.4
var(cars[,1])
[1] 27.95918
What did I assume/understand wrong ?
You wrongly
[EMAIL PROTECTED] schrieb:
Hello
I am an R newbie. I have a problem with computing a variance on a vector.
data(cars)
variance - function (x) mean(x^2)-mean(x)^2;
variance(cars[,1])
[1] 27.4
var(cars[,1])
[1] 27.95918
What did I assume/understand wrong ?
TIA
Hello,
