Computed theoretical power for N=100 and N=200 scenarios

Modules/ado/plus/d/discrim2.hlp

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+.-
+help for ^discrim^                                                    (STB-x)
+.-
+ 
+Dichotomous Discriminant Analysis
+---------------------------------
+ 
+  ^discrim^ grpvar [varlist] [^, p^redict^ a^nova^ g^raph^ d^etail^ k^eep]
+
+Description
+-----------
+^discrim^ allows the user to perform a discriminant analysis on a Bernoulli
+distributed response of grouping variable (1/0).
+
+Output includes table with the following statistics and their global 
+designation for post-estimation use when applicable:
+ 
+    1. Observations    [S_E_obs]       2. Independent vars  [S_E_var] 
+    3. Obs: group==0   [S_E_ob0]       4. Obs: group==1     [S_E_ob1]
+    5. Centroid 0      [S_E_cn0]       6. Centroid 1        [S_E_cn1]
+    7. Grand centroid  [S_E_cng]       8. R-square          [S_E_r2]
+    9. Mahalanobis     [S_E_mah]      10. Eigenvalue        [S_E_eig]
+   11. Canon. Correl   [S_E_cc]       12. Eta squared       [S_E_e2]   
+   13. Wilk's lambda   [S_E_lam]      14. Chi-square        [S_E_chi]
+
+Output also includes a table displaying both the Discriminant Function and
+Unstandardized Coefficients.
+
+Cases in which a variable has a missing value are dropped from estimation.
+The ^keep^ command does not restore such cases to active memory.
+
+Options
+-------
+^predict^ provides a confusion matrix of actual vs predicted group cell 
+   counts. Also included is a listing of the following percentages:
+      1. Correctly predicted         2. Model sensitivity
+      3. Model specificity           4. False Positive
+      5. False Negative
+
+^anova^ provides an ANOVA of discriminant scores vs the group variable.
+   Bartlett's test for equal variances in included.
+
+^graph^ provides a classification graph showing correctly and incorrectly 
+   classified cases.
+
+^detail^ creates and lists the following for each retained case:
+      1. Group    : actual group value                 
+      2. PRED     : predicted group value
+      3. DIFF     : a star indicating misclassified cases
+      4. LnProb1  : logistic probability of grouyp 1 membership
+      5. DscIndex : discriminant index
+      6. DscScore : discriminant score
+  
+^keep^ allows the user to keep the variables created in the Detail option.
+  The data set in memory is altered, so care must be taken when saving the
+  resultant file to disk.
+        
+Examples
+--------
+        . ^discrim foreign price mpg length^
+        
+        . ^discrim foreign price mpg length, p a gr d^
+
+        . ^discrim foreign price mpg length, detail keep^ 
+
+Also see
+--------
+STB-5 (Jan1992): smv3 - Hilbe, "Regression based dichotomous discriminant 
+  analysis".  
+Selvin, Steve (1995, 1996) "Practical Biostatistical Methods", Chap 6.
+  Explanation and use of the 1st version of the ^discrim^ command. 
+
+Additional help
+---------------
+Joseph Hilbe, Dept of Sociology, Arizona State University
+Email: atjmh@@asuvm.inre.asu.edu
+