For various reasons, I spent part of my time today looking at sample
size and power calculation tools (don't ask, don't tell...). This
seems to be one area that R is incredibly weak in (well, nearly all
stat packages, except perhaps specialized tools and SAS); sure, there
are a number of functions in various packages:
base, statmod, Hmisc
Have I missed something? (I would've expected at least one sequential
computation, or non-standard design, but apparently there are none, or
I missed it).
I'd appreciate hearing about work that I've missed...
best,
-tony
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