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63S-32-s — Preliminary rollout after 20k

Posted By: Nack Ballard
Date: Wednesday, 14 December 2011, at 9:47 p.m.

In Response To: 63S-32-s — Preliminary rollout after 20k (Taper_Mike)

I presume that the hyphen amid the nacbracs for 63S-32-s in your post refers to the fact that trial counts stop after U.

    s[Z S4.5 H6.3 $8.4 U9 - T13 W17] "^20**5

Sorry to slip in that hyphen without explaining it.

Representing all margins to the fourth decimal place, your rollout result for 63S-32 was

    s[Z S4.5 H6.3 $8.4 U9 T13.3 W17.5] "^20**5

Sometimes, as here, I show the margins in a nacbrac to one fewer decimal place when the margin is 10 (i.e., .010) or more. The hyphen (though perhaps a comma as shown below is more appropriate) is a reminder that everything after 9 (which means 9.0) was rounded. Hence...

I could also omit the hyphen/comma altogether if I've informed my reader (or we otherwise have an understanding) that the rounding convention applies and at a particular threshold.

Nack

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