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20 Alphabetical Listing
centralDiff()
Catalog >
When using List1 or Matrix1, the operation
gets mapped across the values in the list or
across the matrix elements.
Note: See also avgRC().
char()
Catalog >
char(Integer) ⇒ character
Returns a character string containing the
character numbered Integer from the
handheld character set. The valid range for
Integer is 0–65535.
χ
2
2way
Catalog >
χ
2
2way obsMatrix
chi22way obsMatrix
Computes a χ
2
test for association on the
two-way table of counts in the observed
matrix obsMatrix. A summary of results is
stored in the stat.results variable. (page
145)
For information on the effect of empty
elements in a matrix, see “Empty (Void)
Elements,” page 196.
Output variable Description
stat.χ
2
Chi square stat: sum (observed - expected)
2
/expected
stat.PVal Smallest level of significance at whichthe null hypothesis can be rejected
stat.df Degrees of freedom for the chi square statistics
stat.ExpMat Matrix of expected elemental count table, assuming null hypothesis
stat.CompMat Matrix of elemental chi square statistic contributions
χ
2
Cdf()
Catalog >
χ
2
Cdf(lowBound,upBound,df) ⇒ number if
lowBound and upBound are numbers, list if
lowBound and upBound are lists
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