Re: [R] Studdy Missing Data, differentiate between a percent with in the valid answers and with in the different missing answers

2008-03-03 Thread James Reilly
On 3/3/08 8:21 PM, Ericka Lundström wrote: I'm trying to emigrate from SPSS to R, thou I have some problems whit getting R to distinguish between the different kind of missing. ... Is there a smart way in R to differentiate between missing and valid and at the same time treat both the

Re: [R] Studdy Missing Data, differentiate between a percent with in the valid answers and with in the different missing answers

2008-03-03 Thread Frank E Harrell Jr
James Reilly wrote: On 3/3/08 8:21 PM, Ericka Lundström wrote: I'm trying to emigrate from SPSS to R, thou I have some problems whit getting R to distinguish between the different kind of missing. ... Is there a smart way in R to differentiate between missing and valid and at the

Re: [R] Studdy Missing Data, differentiate between a percent with in the valid answers and with in the different missing answers

2008-03-03 Thread Ericka Lundström
On Mon, 03 Mar 2008 22:02:17 +1300, James Reilly wrote On 3/3/08 8:21 PM, Ericka Lundström wrote: I'm trying to emigrate from SPSS to R, thou I have some problems whit getting R to distinguish between the different kind of missing. ... Is there a smart way in R to differentiate between

[R] Fwd: R: Studdy Missing Data, differentiate between a percent with in the valid answers and with in the different missing answers

2008-03-03 Thread Ericka Lundström
Begin forwarded message: Subject: R: Studdy Missing Data, differentiate between a percent with in the valid answers and with in the different missing answers take a look at the Website from Dirk Enzmann: http://www2.jura.uni-hamburg.de/instkrim/kriminologie/Mitarbeiter/

[R] Studdy Missing Data, differentiate between a percent with in the valid answers and with in the different missing answers

2008-03-02 Thread Ericka Lundström
Hi R experts I'm trying to emigrate from SPSS to R, thou I have some problems whit getting R to distinguish between the different kind of missing. I want to distinguish between data that are missing because a respondent refused to answer and data that are missing because the question