User: Assa Yeroslaviz

gravatar for Assa Yeroslaviz
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100
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Last seen:
14 years ago
Joined:
14 years, 2 months ago
Email:
a**************@uni-duesseldorf.de

Posts by Assa Yeroslaviz

<prev • 10 results • page 1 of 1 • next >
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normalization the expression values
... hello, I'm not sure if this is the right platform to try and look for information about my problem, but I've serached the internet (google) and didn't find anything helpful. While trying to find significant genes in my data I used two sets of matrices. the frist one is directly from the affymetrix ...
written 14.1 years ago by Assa Yeroslaviz100 • updated 14.1 years ago by Björn Usadel250
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grDevices under Linux
... Hi, I'm trying to get a png image under linux. The problem is, that the program can't find neither savePlot() nor png(). Does anyone know how I can save a png file? THX, Assa -- Assa Yeroslaviz L?tzenerstr. 15 51373 Leverkusen ...
written 14.1 years ago by Assa Yeroslaviz100 • updated 14.1 years ago by James W. MacDonald52k
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converting data into logical matrix
... Hey, I have a difficult question(for me at least). I did the sam calculation and got the data i wanted. First i have a matrix with double values (last.out) >last.out<- sam(last.data, AE0625419.cl, B=20, gene.names=matrix_all_names[,2]) After i cut out the lines with 'NA'-values for the p-va ...
convert written 14.1 years ago by Assa Yeroslaviz100 • updated 14.1 years ago by Sean Davis21k
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cl Vector
... Hi, is it possible to read a file for the sam calculation with the gene names in the same table. The first column was with gene names, the next four were with experiments and the next 14 were the controls. I've tried this way: >last.data <- read.delim2("AE0625419_genenames.txt") >last.out ...
written 14.1 years ago by Assa Yeroslaviz100 • updated 14.1 years ago by Kasper Daniel Hansen6.4k
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attributes of SAM files
... Hi, Is there a way of extracting ONLY a list of the attributes of an output file from the siggenes package? After doing a sam calculation: >A.out <- sam(AE0627999.data, AE0627999.cl, B=200,rand=123,gene.names=matrix_all_names[,2]) I wanted than to look at the attributes of the file: >att ...
gui siggenes written 14.1 years ago by Assa Yeroslaviz100 • updated 14.1 years ago by James W. MacDonald52k
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list of significant genes (siggenes)
... Hi, i need some helpediting my resluts. I have a data frame( matrix ), whereas on the first column are the names of my items. Then I have a second object. This is the output of the line: > list.siggenes(data.out, delta) "item_1! "item_2" "item_3" "item_4" ... 1. Is this object is a vector or ...
written 14.1 years ago by Assa Yeroslaviz100 • updated 14.1 years ago by Holger Schwender900
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calculation of s0 (siggenes)
... Hello, IS there a way of calculating the s0-Value in the SAM analysis? I did a few tets with my data. Every time I get the result >data.sum ... s0 = 0 Number of permutations: 200 MEAN number of falsely called genes is computed. Delta: 9.3 cutlow: -23.092 cutup: 14.528 p0: 0.312 Signifi ...
written 14.1 years ago by Assa Yeroslaviz100 • updated 14.1 years ago by Holger Schwender900
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sum.sam.out
... hi, can someone please explain to me, why is it, that I'm always getting the NULL- value when I try to look fot the significance genes: > data.out SAM Analysis for the Two-Class Unpaired Case Assuming Unequal Variances Delta p0 False Called FDR 1 0.1 0.321 8323.01 14987 0.178 2 ...
written 14.1 years ago by Assa Yeroslaviz100 • updated 14.1 years ago by Nicolas Servant260
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how to generate dataset for multtest?
... the .cl is not a problem. It can be generate with the line >rep(c(1,0), c(10,7)) for unpaired data with 10 cases and 7 controls: [1] 1 1 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 you can direct this line to a vector with vectro.cl <-rep(c(1,0), c(10,7)). But i would still like to knoe how to generate the ...
written 14.2 years ago by Assa Yeroslaviz100
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Answer: A: how to generate dataset for multtest?
... the .cl is not a problem. It can be generate with the line >rep(c(1,0), c(10,7)) for unpaired data with 10 cases and 7 controls: [1] 1 1 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 you can direct this line to a vector with vectro.cl <-rep(c(1,0), c(10,7)). But i would still like to knoe how to generate th ...
written 14.2 years ago by Assa Yeroslaviz100

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