Displaying 3 results from an estimated 3 matches for "qfun".
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2005 Dec 23
2
convolution of the double exponential distribution
Is there any R function that computes the convolution of the double
exponential distribution?
If not, is there a good way to integrate ((q+x)^n)*exp(-2x) over x from
0 to Inf for any value of q and for any positive integer n? I need to
perform the integration within a function with q and n as arguments. The
function integrate() is giving me this message:
"evaluation of function gave a
2009 Sep 22
5
use of class variable in r as in Proc means of sas
Hi,everyone i need to calculate quartile values of a variable grouped by the
other variable .
same as in aggregate function(only median,mean or functions is possible-i
think so)
Could you please help me to achieve the same for other quartile
values(5,10,25,75,90) as for median using aggregate.
Thanks in advance.
data :
zip price
60000 567000
60001 478654
60004 485647
60001
2005 Apr 30
1
User-defined random variable
Dear All
I would like to know whether it is possible with R to define a
discrete random variable different from the ones already defined
inside R and generate random numbers from that user-defined
distribution.
Thanks in advance,
Paul