Description Usage Arguments Value Author(s) See Also Examples
View source: R/contingency.tables.R
Performs a likelihood ratio test of independence
1 | likelihood.test(x,y=NULL,conservative=FALSE)
|
x |
A vector or a matrix |
y |
A vector that is ignored if x is a matrix and required if x is a vector |
conservative |
If |
A list with class "htest" containing the following components:
statistic |
the value the chi-squared test statistic. |
parameter |
the degrees of freedom of the approximate chi-squared distribution of the test statistic. |
p.value |
the p-value for the test. |
method |
a character string indicating the type of test performed, and whether the continuity correction was used. |
data.name |
a character string giving the name(s) of the data. |
Pete Hurd and Ian Fellows
1 2 | data(InsectSprays)
likelihood.test(InsectSprays$count>7,InsectSprays$spray)
|
Loading required package: ggplot2
Loading required package: JGR
Loading required package: rJava
Loading required package: JavaGD
Please type JGR() to launch console. Platform specific launchers (.exe and .app) can also be obtained at http://www.rforge.net/JGR/files/.
Loading required package: car
Loading required package: carData
Loading required package: MASS
Registered S3 methods overwritten by 'lme4':
method from
cooks.distance.influence.merMod car
influence.merMod car
dfbeta.influence.merMod car
dfbetas.influence.merMod car
Note Non-JGR console detected:
Deducer is best used from within JGR (http://jgr.markushelbig.org/).
To Bring up GUI dialogs, type deducer().
Log likelihood ratio (G-test) test of independence without correction
data: InsectSprays$count > 7 and InsectSprays$spray
Log likelihood ratio statistic (G) = 79.105, X-squared df = 5, p-value
= 1.332e-15
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