Texas Instruments TINSPIRE Reference Guide - Page 22

Catalog &gt, Output variable, Description, ClearAZ, Chi square stat: sumobserved - expected

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c2Cdf() c2Cdf(lowBound,upBound,df) ⇒ number if lowBound and upBound are numbers, list if lowBound and upBound are lists chi2Cdf(lowBound,upBound,df) ⇒ number if lowBound and upBound are numbers, list if lowBound and upBound are lists Computes the c2 distribution probability between lowBound and upBound for the specified degrees of freedom df. For P(X { upBound), set lowBound = 0. For information on the effect of empty elements in a list, see "Empty (void) elements" on page 131. c2GOF c2GOF obsList,expList,df chi2GOF obsList,expList,df Performs a test to confirm that sample data is from a population that conforms to a specified distribution. obsList is a list of counts and must contain integers. A summary of results is stored in the stat.results variable. (See page 97.) For information on the effect of empty elements in a list, see "Empty (void) elements" on page 131. Output variable stat.c2 stat.PVal stat.df stat.CompList Description Chi square stat: sum((observed - expected)2/expected Smallest level of significance at which the null hypothesis can be rejected Degrees of freedom for the chi square statistics Elemental chi square statistic contributions c2Pdf() c2Pdf(XVal,df) ⇒ number if XVal is a number, list if XVal is a list chi2Pdf(XVal,df) ⇒ number if XVal is a number, list if XVal is a list Computes the probability density function (pdf) for the c2 distribution at a specified XVal value for the specified degrees of freedom df. For information on the effect of empty elements in a list, see "Empty (void) elements" on page 131. ClearAZ ClearAZ Clears all single-character variables in the current problem space. If one or more of the variables are locked, this command displays an error message and deletes only the unlocked variables. See unLock, page 109. Catalog > Catalog > Catalog > Catalog > 16 TI-Nspire™ Reference Guide

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16
TI-Nspire™ Reference Guide
c
2
Cdf()
Catalog >
c
2
Cdf(
lowBound
,
upBound
,
df
)
⇒
number
if
lowBound
and
upBound
are numbers,
list
if
lowBound
and
upBound
are lists
chi2Cdf(
lowBound
,
upBound
,
df
)
⇒
number
if
lowBound
and
upBound
are numbers,
list
if
lowBound
and
upBound
are lists
Computes the
c
2
distribution probability between
lowBound
and
upBound
for the specified degrees of freedom
df
.
For P(
X
{
upBound
), set
lowBound
= 0.
For information on the effect of empty elements in a list, see “Empty
(void) elements” on page 131.
c
2
GOF
Catalog >
c
2
GOF
obsList
,
expList
,
df
chi2GOF
obsList
,
expList
,
df
Performs a test to confirm that sample data is from a population that
conforms to a specified distribution.
obsList
is a list of counts and
must contain integers. A summary of results is stored in the
stat.results
variable. (See page 97.)
For information on the effect of empty elements in a list, see “Empty
(void) elements” on page 131.
Output variable
Description
stat.
c
2
Chi square stat: sum((observed - expected)
2
/expected
stat.PVal
Smallest level of significance at which the null hypothesis can be rejected
stat.df
Degrees of freedom for the chi square statistics
stat.CompList
Elemental chi square statistic contributions
c
2
Pdf()
Catalog >
c
2
Pdf(
XVal
,
df
)
⇒
number
if
XVal
is a number,
list
if
XVal
is a
list
chi2Pdf(
XVal
,
df
)
⇒
number
if
XVal
is a number,
list
if
XVal
is
a list
Computes the probability density function (pdf) for the
c
2
distribution
at a specified
XVal
value for the specified degrees of freedom
df
.
For information on the effect of empty elements in a list, see “Empty
(void) elements” on page 131.
ClearAZ
Catalog >
ClearAZ
Clears all single-character variables in the current problem space.
If one or more of the variables are locked, this command displays an
error message and deletes only the unlocked variables. See
unLock
,
page 109.