X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;ds=inline;f=doc%2Fstatistics.texi;h=03e4a44e4c387f25196b6da63b187c3a9570d7d4;hb=refs%2Fbuilds%2F20131022030519%2Fpspp;hp=0f1c886f1b2eb70eaca03b7edc1de6e298ad948d;hpb=0669cae2d657314c1cb7e06f26f789c31d6a0d55;p=pspp diff --git a/doc/statistics.texi b/doc/statistics.texi index 0f1c886f1b..03e4a44e4c 100644 --- a/doc/statistics.texi +++ b/doc/statistics.texi @@ -705,13 +705,23 @@ performed, and all coefficients will be printed. The @subcmd{/CRITERIA} subcommand is used to specify how the number of extracted factors (components) are chosen. If @subcmd{FACTORS(@var{n})} is specified, where @var{n} is an integer, then @var{n} factors will be extracted. Otherwise, the @subcmd{MINEIGEN} setting will -be used. @subcmd{MINEIGEN(@var{l})} requests that all factors whose eigenvalues are greater than or equal to @var{l} are extracted. -The default value of @var{l} is 1. The @subcmd{ECONVERGE} and @subcmd{ITERATE} settings have effect only when iterative algorithms for factor -extraction (such as Principal Axis Factoring) are used. @subcmd{ECONVERGE(@var{delta})} specifies that +be used. +@subcmd{MINEIGEN(@var{l})} requests that all factors whose eigenvalues are greater than or equal to @var{l} are extracted. +The default value of @var{l} is 1. +The @subcmd{ECONVERGE} setting has effect only when iterative algorithms for factor +extraction (such as Principal Axis Factoring) are used. +@subcmd{ECONVERGE(@var{delta})} specifies that iteration should cease when the maximum absolute value of the communality estimate between one iteration and the previous is less than @var{delta}. The default value of @var{delta} is 0.001. -The @subcmd{ITERATE(@var{m})} setting sets the maximum number of iterations to @var{m}. The default value of @var{m} is 25. +The @subcmd{ITERATE(@var{m})} may appear any number of times and is used for two different purposes. +It is used to set the maximum number of iterations (@var{m}) for convergence and also to set the maximum number of iterations +for rotation. +Whether it affects convergence or rotation depends upon which subcommand follows the @subcmd{ITERATE} subcommand. +If @subcmd{EXTRACTION} follows, it affects convergence. +If @subcmd{ROTATION} follows, it affects rotation. +If neither @subcmd{ROTATION} nor @subcmd{EXTRACTION} follow a @subcmd{ITERATE} subcommand it will be ignored. +The default value of @var{m} is 25. The @cmd{MISSING} subcommand determines the handling of missing variables. If @subcmd{INCLUDE} is set, then user-missing values are included in the