k.sample.test: K Sample Test

In Deducer: A Data Analysis GUI for R

Description

Performs a K independent sample test.

Usage

k.sample.test(formula,data,test=oneway.test,...)

Arguments

formula	A formula, the left hand side of which indicated the outcomes, and the right hand side of which contains the factor
data	A data.frame
test	A function whose first argument is a formula with the outcome on the lhs and the factor on the rhs. The second argument should be the data to be used for the formula. The result of the function should be an object of class htest.
...	further arguments for func

Value

A multi.test object, representing a table of the results of func applied to each of the variables.

See Also

oneway.test kruskal.test wilcox.test

Examples

dat<-data.frame(a=rnorm(100),b=rnorm(100),c=rnorm(100),d=cut(rnorm(100),4))
k.sample.test(d(a,b)~d,dat)
k.sample.test(dat[,-4]~dat$d,var.equal=TRUE)
k.sample.test(d(a,c)~d,dat,kruskal.test)

Example output

Loading required package: ggplot2
Loading required package: JGR
Loading required package: rJava
Loading required package: JavaGD
OpenJDK 64-Bit Server VM warning: Can't detect primordial thread stack location - find_vma failed

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().

            One-way analysis of means (not assuming equal variances)             
          F (num df,denom df)   p-value
a 0.2847171        (3,29.448) 0.8360161
b 0.9424806        (3,27.932) 0.4333996
                           One-way analysis of means                             
           F (num df,denom df)   p-value
a 0.25930987            (3,96) 0.8545284
b 1.02719291            (3,96) 0.3841560
c 0.08189569            (3,96) 0.9697294
                          Kruskal-Wallis rank sum test                           
  Kruskal-Wallis chi-squared df   p-value
a                 0.98574196  3 0.8047019
c                 0.09134593  3 0.9928553

Deducer documentation built on May 2, 2019, 8:35 a.m.