agricolae (version 1.0-4)

BIB.test: Finding the Variance Analysis of the Balanced Incomplete Block Design

Description

Analysis of variancia 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

Value

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

Details

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

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

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)