[R] standard deviation

[Ben Bolker]

eliza botto <eliza_botto <at> hotmail.com> writes:

> 
> Dear useRs,
> Is there a direct command in R to calculate standard deviation of BURR
distribution in R? I know the direct
> function in VBA and worksheet..... but is there a similar function in R?
> VBA
> =BurrStdev(k,alpha,beta,[gamma])
> Worksheet:
> =BurrStdev(k;alpha;beta;[gamma])=DistStdev("Burr(k;alpha;beta;[gamma])")
> Thankyou very much in advance...
> Eliza 		 	   		

  library("sos"); findFn("{Burr distribution}")

turns up useful stuff.

http://finzi.psych.upenn.edu/R/library/actuar/html/Burr.html

will give you raw moments, which should be convertible to
central moments etc. pretty easily.