Juan Pablo,
X is data.frame or matrix
X - X[order(X[,4]),]
options see help(order)
Felipe de Mendiburu
-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] Behalf Of Juan Pablo Fededa
Sent: Tuesday, February 27, 2007 12:47 PM
To: R-help@stat.math.ethz.ch
Subject: [R]
Dear matthias,
newmatrix = oldmatrix[ (oldmatrix[,5]==4 oldmatrix[,6]==1) , ]
Felipe
-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] Behalf Of bunny ,
lautloscrew.com
Sent: Tuesday, February 27, 2007 1:25 PM
To: r-help@stat.math.ethz.ch
Subject: [R] Multiple
Matthias,
According to the logic,
New matrix which is basically the old one except for all
entries which have a 4 in the 5 column AND a 1 in the 6th column
newmatrix - oldmatrix[ (oldmatrix[,5]!=4 oldmatrix[,6]!=1) , ]
---
newmatrix - oldmatrix[ !(oldmatrix[,5]==4 oldmatrix[,6]==1) , ]
by,
You can use the LSD.test or waller.test of the package agricolae that less
conservatives than tukey.
From: [EMAIL PROTECTED] on behalf of Frederic Jean
Sent: Fri 3/2/2007 4:52 PM
To: [EMAIL PROTECTED]
Subject: [R] significant anova but no distinct groups ?
Steve,
it says resp - rnorm(200) must be resp - rnorm(100)
regards
Felipe
-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] Behalf Of steve
Sent: Sunday, March 04, 2007 8:58 AM
To: r-help@stat.math.ethz.ch
Subject: Re: [R] lattice histogram
Hi,
When I tried
Dear Alberto,
channel - odbcConnectExcel(test.xls)
name1 - tables[1, TABLE_NAME] # the name1 is Sheet1$
it must be:
name1 - Sheet1
plan1 - sqlFetch(channel, name1) is ok
or
plan1 - sqlFetch(channel, Sheet1)
Regards,
Felipe
-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL
-
From: Wolfgang Raffelsberger [mailto:[EMAIL PROTECTED]
Sent: Wednesday, March 07, 2007 4:50 AM
To: Mendiburu, Felipe (CIP)
Cc: Alberto Monteiro; r-help@stat.math.ethz.ch
Subject: Re: [R] Package RODBC
Dear Alberto,
please note that special characters (eg a space character) in the Excel
Dear Alan,
I think that podria to be of utility the function tapply.stat () of the package
agricolae.
see ?tapply.stat
Regards,
Felipe.
for example:
library(agricolae)
attach(mydata)
set1-tapply.stat(mydata[,2:5],Y,median)
set2-tapply.stat(time,Y,function(x) median(x))
Dear Renko
To modify the script
plot(x,y)
r2-summary(lm1)$r.squared*100
# label
R2text - substitute(paste(R^2, = ,r2),list(r2=r2))
text(-1,1,R2text, col=red) # To see of the coordinates of the graph.
Grettings
Felipe
-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]
Dear Dimitri,
if you wish single the correlations, can use the following script:
a-1:10
b- rnorm(10)
c- rbinom(10,8,0.3)
d- rpois(10,8)
corr-cor( cbind(a,b,c,d) )
round(as.dist(corr),2) # or only as.dist(corr)
a b c
b 0.07
c 0.19 -0.26
d -0.16 -0.13 -0.41
Dear Ray,
The R's Spearman calculated by R is correct for ties or nonties, which is not
correct is the probability for the case of ties. I send to you formulates it
for the correlation with ties, that is equal to R.
Regards,
Felipe de Mendiburu
Statistician
# Spearman correlation rs with
Dear Carsten
In this test, factor B would be representing to a factor of block or repetition
according to as the levels of A, B, and C are in the data. Factor C this nested
in A, then the model should include: B, A and C nested in A, the difference it
is the error.
Model:
B 1
A 2
Dear Adrain,
You can see the library agricolae for the functions LSD.test, HSD.test, and
Waller.test for Waller-Duncan. The criterion is that LSD is more used for few
treatments and HSD for many treatments (more than 5) the test of Waller is
Bayes and minimizes the two types of error (I or
I think that the best thing is to work in logarithmic way, to avoid the
limitations of the CPU.
If y = 10^400, to do y=400*log(10), to change all you formulate to the
logarithmic way and the final result to apply the antilogarithm.
Felipe de Mendiburu.
Professor of statistic
Agrarian
Dear Marcela.
In the data, if column 1 has the names:
rownames(data) -data [, 1]
data - date [, - 1]
now, to make a dendrogram
greetings.
Felipe de Mendiburu.
Professor of statistic
Agrarian National University -La Molina - PERU
De: [EMAIL
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