BIB.test {agricolae}R Documentation

Finding the Variance Analysis of the Balanced Incomplete Block Design

Description

Analysis of variance BIB and comparison mean adjusted.

Usage

BIB.test(block, trt, y, method = "lsd", alpha = 0.05, group = TRUE)

Arguments

block blocks
trt Treatment
y Response
method Comparison treatments
alpha Significant test
group logical

Details

Method of comparison treatment. lsd: least significant difference. tukey: Honestly significant differente. waller: test Waller-Duncan.

Value

block Vector
trt Vector
y numeric vector
method Character
alpha Numeric
group TRUE or FALSE

Author(s)

F. de Mendiburu

References

Design of Experiments. Robert O. Kuehl. 2nd ed., Duxbury, 2000 Linear Estimation and Design of Experiments. D.D. Joshi. WILEY EASTERN LIMITED 1987, New Delhi, India. Introduction to experimental statistics. Ching Chun Li McGraw - Hill Book Company, Inc. New York. 1964

See Also

durbin.test

Examples

library(agricolae)
# Example Design of Experiments. Robert O. Kuehl. 2da. Edicion. 2001
run<-gl(10,3)
psi<-c(250,325,475,250,475,550,325,400,550,400,475,550,325,475,550,
250,400,475,250,325,400,250,400,550,250,325,550,325,400,475)
monovinyl<-c(16,18,32,19,46,45,26,39,61,21,35,55,19,47,48,20,33,31,13,13,34,21,
 30,52,24,10,50,24,31,37)
out<-BIB.test(run,psi,monovinyl,method="waller",group=FALSE)
out<-BIB.test(run,psi,monovinyl,method="waller",group=TRUE)
out<-BIB.test(run,psi,monovinyl,method="tukey",group=TRUE)
out<-BIB.test(run,psi,monovinyl,method="tukey",group=FALSE)
bar.err(out,density=4,ylim=c(0,60))
# Example linear estimation and design of experiments. D.D. Joshi. 1987
# Professor of Statistics, Institute of Social Sciences Agra, India
# 6 varieties of wheat crop in a BIB whit 10 blocks of 3 plots each.
y <-c(69,77,72,63,70,54,65,65,57,59,50,45,68,75,59,38,60,60,62,
 55,54,65,62,65,61,39,54,67,63,56)
varieties<-gl(6,5)
block <- c(1,2,3,4,5,1,2,6,7,8,1,3,6,9,10,2,4,7,9,10,3,5,7,8,9,4,5,6,8,10)
model<-BIB.test(block, varieties, y)
# Example Introduction to experimental statistics. Ching Chun Li. 1964
# pag. 395 table. 27.2
# 7 trt, k=3 and b=7.
y <-c(10,15,11,4,12,15,5,14,10,14,19,19,8,10,17,6,11,12,5,14,21)
block<-gl(7,3)
trt <- c(1,2,4,2,3,5,3,4,6,4,5,7,1,5,6,2,6,7,1,3,7)
model<-BIB.test(block, trt, y)

[Package agricolae version 1.0-6 Index]