|Arguments||<number of deleted observations> | off|
Controls the number of deleted observations used by the describe command's algorithm for the estimation of standard errors for familial correlations for a quantitative trait. If off modifier chosen, reverts to default behaviour.
The standard error formula is:
JSE=((n-d)/dm * SUM(ri-mean(ri, i=1, m))2)1/2
where d is the number of observations dropped for each pseudosample,
ri is the test statistic value for the ith pseudosample,
m is the number of pseudosamples,
and n is the number of observations [Shao and Tu 1995].
The default behaviour is for this value to be calculated as required as:
max(1, min(10, Nobs/10)).
>> set jackknife NOTE: Jackknife is adaptive (delete-1 to delete-10). >> set jackknife 10 NOTE: Jackknife is delete-10.
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