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Columns 7 and onwards are additonal covariates and or phenotypes. For example
Columns 7 and onwards are additonal covariates and or phenotypes. For example
#QT
#QT
#AGE
#AGE<br>
etc.
etc.
An example PED file with a header is as follows:
An example PED file with a header is as follows:
<pre>#FAM_ID IND_ID FAT_ID MOT_ID SEX DISEASE QT AGE
<pre>#FAM_ID IND_ID FAT_ID MOT_ID SEX DISEASE QT AGE
13281 NA12344 NA12347 NA12348 1 1 94.17 66.1
13281 NA12344 NA12347 NA12348 1 1 94.17 66.1
13291 NA06995 NA07435 NA07037 1 2 104.36 57.4
13291 NA06995 NA07435 NA07037 1 2 104.36 57.4
13291 NA06997 NA06986 NA07045 2 2 107.53 53.1
13291 NA06997 NA06986 NA07045 2 2 107.53 53.1
</pre>
Alternatively, you can prepare a PED file without a header, and include a corresponding DAT file describing the column headers
<pre>13281 NA12344 NA12347 NA12348 1 1 94.17 66.1
13281 NA12347 0 0 1 1 109.54 44.0
13281 NA12348 0 0 2 2 119.40 46.6
1328 NA06984 0 0 1 2 87.72 39.3
1328 NA06989 0 0 2 1 100.60 41.7
1328 NA12329 NA06984 NA06989 2 1 100.85 46.4
13291 NA06986 0 0 1 2 91.94 61.9
13291 NA06995 NA07435 NA07037 1 2 104.36 57.4
13291 NA06997 NA06986 NA07045 2 2 107.53 53.1
</pre>
</pre>
The corresponding DAT file is:
<pre>M DISEASE
M QT
M AGE
</pre>
