[Octave-cvsupdate] octave-forge/main/optim polyconf.m,1.5,1.6

[Paul K. <pki...@us...>]

Update of /cvsroot/octave/octave-forge/main/optim
In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv9317

Modified Files:
	polyconf.m 
Log Message:
Clarify docs for control parameter 1-alpha


Index: polyconf.m
===================================================================
RCS file: /cvsroot/octave/octave-forge/main/optim/polyconf.m,v
retrieving revision 1.5
retrieving revision 1.6
diff -u -d -r1.5 -r1.6
--- polyconf.m	8 Sep 2005 02:00:18 -0000	1.5
+++ polyconf.m	1 Nov 2005 15:39:44 -0000	1.6
@@ -19,9 +19,10 @@
 ##
 ## polyconf(...,1-alpha)
 ##
-##   The width of the prediction interval. The default is .05 for
-##   a 95% prediction interval, or erfc(1/sqrt(2)) for a one
-##   standard deviation confidence interval.
+##   Control the width of the interval. If asking for the prediction
+##   interval 'pi', the default is .05 for the 95% prediction interval.
+##   If asking for the confidence interval 'ci', the default is
+##   erfc(1/sqrt(2)) for a one standard deviation confidence interval.
 ##
 ## Example:
 ##  [p,s] = polyfit(x,y,1);
@@ -98,9 +99,10 @@
 ##
 ## confidence(...,1-alpha)
 ##
-##   The width of the confidence interval. The default is .05 for
-##   a 95% prediction interval, or erfc(1/sqrt(2)) for a one
-##   standard deviation confidence interval.
+##   Control the width of the interval. If asking for the prediction
+##   interval 'pi', the default is .05 for the 95% prediction interval.
+##   If asking for the confidence interval 'ci', the default is
+##   erfc(1/sqrt(2)) for a one standard deviation confidence interval.
 ##
 ## Confidence intervals for linear system are given by:
 ##    x' p +/- sqrt( Finv(1-a,1,df) var(x' p) )