3_bftest: Brown-Forsythe Test between two group
In ALSM: Companion to Applied Linear Statistical Models
Description
Usage
Arguments
Details
Value
References
Examples
Description
Tests for Constancy of Error Variance between two group
Usage
1
Arguments
fit
model of regression
group
vector, determine two group
alpha
Type I error level
Details
length group and number of observations should be equal
Value
test statistic, p.value, alpha and degree of freedom
References
Michael H. Kutner; Christopher J. Nachtsheim; John Neter; William Li. Applied Linear Statistical Models Fifth Edition .page 116
Examples
1
2
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5
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8
################### EXAMPLE PAGE 117
### Group
g<-rep(1,25)
g[TolucaCompany$x<=70]=0
### TEST
bftest(lm(y~x,TolucaCompany),g)
ALSM documentation built on May 2, 2019, 10:19 a.m.
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Description Usage Arguments Details Value References Examples
Description
Tests for Constancy of Error Variance between two group
Usage
1 |
Arguments
fit |
model of regression |
group |
vector, determine two group |
alpha |
Type I error level |
Details
length group and number of observations should be equal
Value
test statistic, p.value, alpha and degree of freedom
References
Michael H. Kutner; Christopher J. Nachtsheim; John Neter; William Li. Applied Linear Statistical Models Fifth Edition .page 116
Examples
1 2 3 4 5 6 7 8 | ################### EXAMPLE PAGE 117
### Group
g<-rep(1,25)
g[TolucaCompany$x<=70]=0
### TEST
bftest(lm(y~x,TolucaCompany),g)
|
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
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