[R] density plot for weighted data

[David Winsemius]

On Aug 2, 2011, at 1:11 PM, r student wrote:

> Like below?
>
> plot(density(oh$FINCP,weights=oh$PWGTP/sum(oh$PWGTP)))

I don't understand why you are asking for approval. You are the one  
with the data and know where they came from. We have none of that  
background.

-- 
David.

> On Tue, Aug 2, 2011 at 10:06 AM, David Winsemius <dwinsemius at comcast.net 
> > wrote:
>>
>> On Aug 2, 2011, at 12:51 PM, r student wrote:
>>
>>> I'm trying to create a density plot using census data, where the
>>> weights don't sum to 1.
>>>
>>>
>>>> plot(density(oh$FINCP,weights=oh$PWGTP))
>>>
>>>
>>> Warning message:
>>> In density.default(oh$FINCP, weights = oh$PWGTP) :
>>>  sum(weights) != 1  -- will not get true density
>>>
>>>
>>> How would I go about doing this?
>>
>> Wouldn't you just divide by the sum?
>>
>> --
>>
>> David Winsemius, MD
>> West Hartford, CT
>>
>>

David Winsemius, MD
West Hartford, CT