Drexel dragonThe Math ForumDonate to the Math Forum



Search All of the Math Forum:

Views expressed in these public forums are not endorsed by Drexel University or The Math Forum.


Math Forum » Discussions » sci.math.* » sci.stat.edu.independent

Topic: Missing values options
Replies: 3   Last Post: Jun 30, 2006 3:39 PM

Advanced Search

Back to Topic List Back to Topic List Jump to Tree View Jump to Tree View   Messages: [ Previous | Next ]
mac55

Posts: 13
Registered: 4/28/05
Missing values options
Posted: Jun 30, 2006 1:53 PM
  Click to see the message monospaced in plain text Plain Text   Click to reply to this topic Reply

I have 950 subjects. I have almost no missing values for any variable
except age. I am missng about 25 of them. I haven't formally
analyzed them yet but I have a suspicion they are not missing
completely at random. I suspect it is the older subjects who declined
to answer the question.

So, when I adjust for age in LR, I loose the 25. I could either leave
it as missing, substitute the average age or substitute the average age
for their level of experience (experience and age were highly
correlated).

What do you think?

Marc




Point your RSS reader here for a feed of the latest messages in this topic.

[Privacy Policy] [Terms of Use]

© Drexel University 1994-2014. All Rights Reserved.
The Math Forum is a research and educational enterprise of the Drexel University School of Education.