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From: Nick Manginelli <themang99_at_yahoo.com>
Date: Fri, 06 May 2011 14:32:27 -0700 (PDT)

I'm using the survey api. I am taking 1000 samples of size of 100 and replacing 20 of those values with missing values. Im trying to use sequential hot deck imputation, and thus I am trying to figure out how to replace missing values with the value before it. Other things I have to keep in mind is if there are two missing values side by side, how do I  replace both those values with the value before. Also if the first of the sample of 100 is a missing value  I will replace that with the mean of the population. Im pretty sure I have to write a loop, but if anyone can help me figuring how to write this I would appreciate it greatly. Thank you

Nick Manginelli

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