They appear to be technical terms relevant to fertility. You should probably ask
someone with a background in medicine... or Google for these terms in
conjunction with the word "fertility".
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Sent from my phone. Please excuse my brevity.
On February 1, 2014 5:57:37 PM PST, "Aziz, Muhammad Fayez" <aziz4
at illinois.edu> wrote:>Hi,
>
>
>
>I wanted to know what the following columns mean in the "infert"
>dataset:
>
>
>
>parity count
>matched set number 1-83
>stratum number 1-63
>
>
>
>Thank you,
>
>Fayez
>
>Urbana, IL, USA
>
> [[alternative HTML version deleted]]
>
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