User: rsabrina93

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rsabrina9310
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3 years, 10 months ago
Joined:
4 years, 4 months ago
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r*********@gmail.com

Posts by rsabrina93

<prev • 19 results • page 1 of 2 • next >
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sequence retrieval in R using fasta file
... I have a Hg19.fasta file and I have a csv file which contains the genomic coordinates of all 23 chromosomes which the sequence is to be retrieved. How can I do it using R? ...
sequence retrieval R written 3.9 years ago by rsabrina9310 • updated 3.9 years ago by Jean-Karim Heriche24k
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installation of Bio::Das module in active perl
... I want to install the Perl module Bio::Das. I have active Perl installed and I work on windows OS. I used the cpan>install Bio::Das But I didn't succeed. Can somebody help me install the package so that I access the ucsc browser to retrieve the sequence from the particular genomic regions? T ...
perl module written 3.9 years ago by rsabrina9310
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MAD statistics in R
... how to calculate MAD for a data frame in R with 702 columns and 27842 rows. i used for-loop, there was no change between the log2+1 data and MAD value . is there any other command? ...
R written 4.0 years ago by rsabrina9310
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Comment: C: survival analysis using R
... I did that. but the curve is not right. but earlier when I did the analysis with the same code it worked. why not for this.? ...
written 4.0 years ago by rsabrina9310
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Comment: C: survival analysis using R
... Survival Vital_status -0.0328549 0 -0.0328549 0 -0.0328549 0 0.0328549 0 0.0657098 1 this is the sample data. ...
written 4.0 years ago by rsabrina9310 • updated 4.0 years ago by Devon Ryan98k
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survival analysis using R
... mrna_grade_surv<-coxph(Surv(Survival,Vital_status)~Grades,conf.type="none") Error in Surv(Survival, Vital_status) : Time variable is not numeric what do i do? ...
R written 4.0 years ago by rsabrina9310 • updated 4.0 years ago by Devon Ryan98k
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Comment: C: standard deviaition using R
... I get NAs as result for all the rows ...
written 4.0 years ago by rsabrina9310
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Comment: C: standard deviaition using R
... Does it calculate for the entire data frame? ...
written 4.0 years ago by rsabrina9310
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standard deviaition using R
... how to perform standard deviation on multiple rows(27482) which contain multiple columns(702) using R? I tried the code below: code: for(i in 1:nrow(zscore)){ print(i) SD=sd(as.numeric(zscore[i,])) zscore[i,702]=SD } ...
R written 4.0 years ago by rsabrina9310 • updated 4.0 years ago by Devon Ryan98k
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survival analysis using R
... how do I calculate the p-vlaue for a survival analysis in R ? and also how the log-rank test works ...
p-value R survival analysis written 4.0 years ago by rsabrina9310 • updated 4.0 years ago by bruce.moran860

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