Manuals/calci/CHITEST - Revision history

Devika: /* ZOS */

2020-06-02T14:57:42Z

ZOS

2018-08-10T21:59:24Z

2018-06-14T21:25:46Z

2018-06-14T20:41:50Z

2018-02-12T10:07:47Z

2018-02-12T10:07:14Z

2017-03-13T07:26:30Z

2015-06-02T16:13:50Z

ZOS Section

2015-05-29T18:58:59Z

2014-06-25T10:40:02Z

ZOS Section

@@ Line 31: / Line 31: @@
 **where <math>ActualRange</math>is the array of observed values.
 **<math>ExpectedRange</math>is the array of expected values.
-*For e.g;chitest([60,72,86,45],[57.08,75.10,87.1,42.45])
+*For e.g;CHITEST([60,72,86,45],[57.08,75.10,87.1,42.45])
 {{#ev:youtube|gh-b_MUMo9c|280|center|Chi-Squared Test}}

@@ Line 2: / Line 2: @@
 *<math>ActualRange</math> is the array of observed values.
 *<math>ExpectedRange</math> is the array of expected values.
-***Returns the test for independence
+**CHITEST(), returns the test for independence.
 ==Description==

@@ Line 2: / Line 2: @@
 *<math>ActualRange</math> is the array of observed values.
 *<math>ExpectedRange</math> is the array of expected values.
 ==Description==

@@ Line 1: / Line 1: @@
-<div style="font-size:30px">'''CHITEST(actualrange,expectedrange)'''</div><br/>
+<div style="font-size:30px">'''CHITEST (ActualRange,ExpectedRange)'''</div><br/>
-*<math>actualrange</math> is the array of observed values.
+*<math>ActualRange</math> is the array of observed values.
-*<math>expectedrange</math> is the array of expected values.
+*<math>ExpectedRange</math> is the array of expected values.
 ==Description==
@@ Line 27: / Line 27: @@
 ==ZOS==
-*The syntax is to calculate CHITEST in ZOS is <math>CHITEST(actualrange,expectedrange)</math>.
+*The syntax is to calculate CHITEST in ZOS is <math>CHITEST (ActualRange,ExpectedRange)</math>.
-**where <math>actual range</math>is the array of observed values.
+**where <math>ActualRange</math>is the array of observed values.
-**<math>expected range</math>is the array of expected values.
+**<math>ExpectedRange</math>is the array of expected values.
 *For e.g;chitest([60,72,86,45],[57.08,75.10,87.1,42.45])
 {{#ev:youtube|gh-b_MUMo9c|280|center|Chi-Squared Test}}

@@ Line 1: / Line 1: @@
-<div style="font-size:25px">'''CHITEST(actualrange,expectedrange)'''</div><br/>
+<div style="font-size:30px">'''CHITEST(actualrange,expectedrange)'''</div><br/>
 *<math>actualrange</math> is the array of observed values.
 *<math>expectedrange</math> is the array of expected values.
@@ Line 6: / Line 6: @@
 * It is a test for independence.
 * This function gives the value from the chi-squared distribution and the appropriate degrees of freedom i.e it calculates <math>\chi^2</math> statistic and degrees of freedom, then calls CHIDIST.
 The conditions of <math>\chi^2</math> test is
   The table should be 2x2 or more than 2x2
@@ Line 12: / Line 11: @@
   All expected values should be 10 or greater.
   Each cell has an expected frequency of at least five.
 *The <math>\chi^2</math> test first calculates a <math>\chi^2</math> statistic using the formula:
 <math>\chi^2 = \sum_{i=1}^{columns} \sum_{j=1}^{rows} \frac{(observed _{ij}-expected _{ij})^{2}}{grand total}</math>

← Older revision		Revision as of 07:26, 13 March 2017
Line 72:		Line 72:
	==References==		==References==
	[http://en.wikipedia.org/wiki/Chi-squared_distribution CHI-SQUARE Distribution]		[http://en.wikipedia.org/wiki/Chi-squared_distribution CHI-SQUARE Distribution]
		+
		+
		+
		+	*[[Z_API_Functions \| List of Main Z Functions]]
		+
		+	*[[ Z3 \| Z3 home ]]

@@ Line 26: / Line 26: @@
 *This returns the test for independence (probability).
-==ZOS Section==
+==ZOS==
 *The syntax is to calculate CHITEST in ZOS is <math>CHITEST(actualrange,expectedrange)</math>.
 **where <math>actual range</math>is the array of observed values.

@@ Line 61: / Line 61: @@
 *From the Chi Squared Distribution probability table with <math>df</math> is 1, the <math>\chi^2</math> value of 2.668 is  0.10.<br/>
 CHITEST(or,er) = 0.10
 ==See Also==