ibd (version 1.1)

aov.ibd: Analysis of variance of data from a block design

Description

This function performs analysis of variance of data from experiments using a block design. Data should be specified with 3 columns, first column should have treatments, second column should have blocks and third column should have response variable. Treatments and blocks should be numbered as 1, 2,... There is also option for estimating and testing a treatment contrast.

Usage

aov.ibd(data,contrast)

Arguments

data

data

contrast

treatment contrast

Value

• aov.table
  ANOVA Table
• contrast.table
  Estimate and test of significance of the contrast

References

Dey,A. (1986). Theory of block designs.Wiley Eastern Limited, New Delhi.

Examples

trt=c(1,2,3,7,9,8,6,4,5,1,7,4,8,5,2,3,6,9,1,8,6,4,2,9,3,5,7,1,9,5,2,6,7,8,3,4)
blk=c(1,1,1,2,2,2,3,3,3,4,4,4,5,5,5,6,6,6,7,7,7,8,8,8,9,9,9,10,10,10,11,11,11,12,12,12)
y=c(77,65,75,47,61,60,54,60,65,70,62,62,72,55,55,50,40,60,63,67,54,62,53,57,68,67,66,69,62,52,61,63,79,65,65,38)
data=data.frame(trt,blk,y)
contrast=c(1,-1,0,0,0,0,0,0,0)
aov.ibd(data,contrast)