# [R] problem for wtd.quantile()

Jing Yang yangj at student.ethz.ch
Thu Mar 16 15:29:11 CET 2006

```Thanks. But that's interesting.
======= At 2006-03-16, 15:15:49 you wrote: =======

>I don't know why using the fractional weights and normwt=TRUE gives that
>
>> wtd.quantile(x, 5:1)
>  0%  25%  50%  75% 100%
>   1    1    2    3    5
>
>Andy
>
>From: Jing Yang
>>
>> 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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>
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