st: one-sided or two? spearman, regress

[Yoshiro Nagao <dengue_aedes@yahoo.co.jp>]

Dear all,

Please teach me the meaning of "p"
values.

I frequently use "spearman" and 
"regress" or other commands of more 
complicated regression analyses.

Is the "p" value generated by
"spearman" one-sides, or two-sided?

Similarly, how about the "p" value
for each regression coefficient (i.e. slope)
after "regress"?  I suppose this
should be two-sided...

Let me apologize for these primitive
questions.

Yoshiro Nagao

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