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2008 Feb 21
1
bootstrap: definition of original statistic
...The statistic function evaluated on the original data is called
"D_app" (apparent statistic), whereas "D_orig" (original statistic)
is derived by first fitting the model to a bootstrap sample, then
freezing the model and applying it to the original data. The
bootstrap statistic D_boot is derived by applying the function to
the bootstrap sample. Then optimism O = average(D_boot - D_orig),
and the bias-corrected estimate is D_app - O.
Can someone explain this difference, and especially why boot
doesn't evaluate the frozen model again on the original data?
Thanks,
Gad
--
G...
2012 Mar 05
5
cron job not running
...the command from the command line it seems to work fine.
If I grep syslog for cron this is what I've found:
Mar 4 22:12:13 domU-12-31-38-07-49-CC syslog-ng[1174]: Log
statistics; processed='center(queued)=16141',
processed='center(received)=16141', processed='destination(d_boot)=0',
processed='destination(d_auth)=3',
processed='destination(d_cron)=131',
processed='destination(d_mlal)=0', processed='destination(d_kern)=0',
processed='destination(d_mesg)=200',
processed='destination(d_cons)=0', processed='destination(d...