[R] Very basic statistics in R
S Ellison
S.Ellison at LGCGroup.com
Fri May 3 15:22:00 CEST 2013
> - the mean <x> -> mean(x)
> - the uncertainty on <x> -> std.error(x) ? Or sd(x)?
> - the standard deviation of x -> ?
> - the uncertainty on the standard deviation -> ?
>
> Anyone has an idea?
1. Use R's help system to look up 'standard deviation' and 'mean'
e.g.:
??'standard deviation'
??'mean'
For the other two questions, consult your basic stats textbook; the answers can be calculated from the two above together with the number of observations.
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