Monday, February 4, 2013

Booting up SaS

Sassy

(*Note:  Though this class is primarily focused on learning and manipulating data using the SAS or JMP statistical packages, I will be programing and posting solutions in R.  I may try to post equivallen solutions in SAS simultaneously for those that are interested in learning both.  R is free and does not require 22 Gazigabytes. )

T-Test:
History for the nerds-
http://en.wikipedia.org/wiki/William_Sealy_Gosset

Basic t-test with calculator-
http://www.stattools.net/tTest_Exp.php

More detailed explanation-
http://simon.cs.vt.edu/SoSci/converted/T-Dist/activity.html

Regression + ANOVA = ANCOVA

Regression:


covariance = 


regression coefficient = 

(*Note:  The n or n-1 will cancel when the cov is divided by the var, thus whether the correction is applied or not is irrelevant)




Regression explained:
http://www.law.uchicago.edu/files/files/20.Sykes_.Regression.pdf

more simply:
http://www.stat.yale.edu/Courses/1997-98/101/linreg.htm
http://easycalculation.com/statistics/learn-regression.php

And explained well:
http://www.sjsu.edu/faculty/gerstman/StatPrimer/regression.pdf

Goodness of fit explained:
http://www.mathworks.com/help/curvefit/evaluating-goodness-of-fit.html

Regression in SAS:
http://www.ats.ucla.edu/stat/sas/webbooks/reg/chapter1/sasreg1.htm
http://www.youtube.com/watch?v=Bzm8TJYFZcs

Regression in R
http://msenux.redwoods.edu/math/R/regression.php

Model I and II regressions:
http://www.mbari.org/staff/etp3/regress/about.htm


WOOOOO!







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