Displaying 3 results from an estimated 3 matches for "pt_id".
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2012 Sep 01
5
R_closest date
Hi,
I have encountered an issue about finding a date closest to another date
So this is how the data frame looks like:
PT_ID IDX_DT OBS_DATE DAYS_DIFF OBS_VALUE CATEGORY
13 4549 2002-08-21 2002-08-20 -1 183 2
14 4549 2002-08-21 2002-11-14 85 91 1
15 4549 2002-08-21 2003-02-18 181 89 1
16 4549 2002-08-21 2003-05-15 267 109 2
17...
2013 Jan 31
3
Locate Patients who have multiple high blood pressure readings
On Thu, Jan 31, 2013 at 10:29 AM, Weijia Wang <wwang.nyu@gmail.com> wrote:
> Hi,
>
>
>
> I have a new question about subsetting in R.
>
>
>
> Say we have this data frame:
>
>
>
> PT_ID Blood_Pressure OBS_TYPE
>
> 92 1900 90.0 DBP
>
> 94 1900 90.0 DBP
>
> 174 2900 140.0 SBP
>
> 176 2900 130.0 SBP
>
> 180 3900 120.0 SBP
>
> 268 3900 150.0 SBP
>
> 268 3900 90.0 DBP
&g...
2008 Aug 19
2
how to import from SPSS without shortening variable names
Hello,
as I import '.sav' files from SPSS, the variable names are shortened to
8 uppercase characters:
"sex_of_therapist" will become "SEX_OF_TH"
Is there a way around this? How can I retrieve the full names?
Greets from Southern Germany,
Timo Stolz