Hi,Without any reproducible example or code, it is difficult to understand the problem.? Did you load the package?
Using the example in ?LSD.test()
library(agricolae)
data(sweetpotato)
????? model<-aov(yield~virus, data=sweetpotato)
????? out <- LSD.test(model,"virus", p.adj="bonferroni",
????? main="Yield of sweetpotato\ndealt with different virus")
Study: Yield of sweetpotato
dealt with different virus
LSD t Test for yield
P value adjustment method: bonferroni
Mean Square Error:? 22.48917
virus,? means and individual ( 95 %) CI
????? yield? std.err r?????? LCL????? UCL Min. Max.
cc 24.40000 2.084067 3 19.594134 29.20587 21.7 28.5
fc 12.86667 1.246774 3? 9.991602 15.74173 10.6 14.9
ff 36.33333 4.233727 3 26.570341 46.09633 28.0 41.8
oo 36.90000 2.482606 3 31.175100 42.62490 32.1 40.4
alpha: 0.05 ; Df Error: 8
Critical Value of t: 3.478879
Least Significant Difference 13.4704
Means with the same letter are not significantly different.
Groups, Treatments and means
a ??? ?oo ??? ?36.9
a ??? ?ff ??? ?36.33
ab ??? ?cc ??? ?24.4
b ??? ?fc ??? ?12.87
sessionInfo()
R version 3.0.1 (2013-05-16)
Platform: x86_64-unknown-linux-gnu (64-bit)
locale:
?[1] LC_CTYPE=en_CA.UTF-8?????? LC_NUMERIC=C?????????????
?[3] LC_TIME=en_CA.UTF-8??????? LC_COLLATE=en_CA.UTF-8???
?[5] LC_MONETARY=en_CA.UTF-8??? LC_MESSAGES=en_CA.UTF-8??
?[7] LC_PAPER=C???????????????? LC_NAME=C????????????????
?[9] LC_ADDRESS=C?????????????? LC_TELEPHONE=C???????????
[11] LC_MEASUREMENT=en_CA.UTF-8 LC_IDENTIFICATION=C??????
attached base packages:
[1] stats???? graphics? grDevices utils???? datasets? methods?? base????
other attached packages:
[1] agricolae_1.1-4 stringr_0.6.2?? reshape2_1.2.2
loaded via a namespace (and not attached):
[1] plyr_1.8??? tcltk_3.0.1 tools_3.0.1
A.K.
Dear Sir
?
I'm a student in the university and just start to use R for agricultural research analysis.
I know my question is an old question, but I don't find any clear explanation about ?my problem via internet.
I'm sorry if my email is disturbing all of you.
?
I install R with version 3.0.1 and no problem with anova analysis,
my problem is I can't perfprm LSD comparison, it is appearing "Error:
could not find function "LSD.test"
I think I'm already installed "agricolae package" on my system. I attach some picture as shown on my screen.
if possible please guide me ?how to solve the problem. (how to check if agricolae package is completely installed?)
?
Thanks you very much for reading