[R] problem for wtd.quantile()

Jing Yang yangj at student.ethz.ch
Thu Mar 16 15:02:05 CET 2006


Actually, I am looking for this result:
  0%  25%  50%  75% 100% 
   1    1    2    3    5
-----------------------
y <- c(1,1,1,1,1,2,2,2,2,3,3,3,4,4,5)
quantile(y)
-----------------------

Since x with weights w is equivalant to y.

======= At 2006-03-16, 14:34:14 you wrote: =======

>Perhaps you're looking for this?
>
>> ?wtd.quantile
>> wtd.quantile(x,weights=w, normwt=TRUE)
>  0%  25%  50%  75% 100% 
>   1    2    2    3    5 
>
>Andy
>
>From: Jing Yang
>> 
>> Dear R-users,
>> 
>> I don't know if there is a problem in wtd.quantile (from 
>> library "Hmisc"):
>> --------------------------------
>> x <- c(1,2,3,4,5)
>> w <- c(0.5,0.4,0.3,0.2,0.1)
>> wtd.quantile(x,weights=w)
>> -------------------------------
>> The output is:
>>   0%  25%  50%  75% 100% 
>> 3.00 3.25 3.50 3.75 4.00
>> 
>> The version of R I am using is: 2.1.0
>> 
>> Best,Jing
>> 
>> 
>
>
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