User: mms140130

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mms14013050
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Posts by mms140130

<prev • 70 results • page 1 of 7 • next >
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survival analysis question
... I have data that has 1) vital status (dead or alive) and 2) last day to follow up and 3) days to death in survival analysis in R we have the following formula S1=survfit(Surv(time,status) my Questions, is time to an event is the days to death? is the status(censored or not ...
R written 9 days ago by mms14013050 • updated 8 days ago by Mike620
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cis-methylation QTL code
... Did any performed a meQTL ? what package in R can perform the test ?, or any sharing for other software code? Thanks, ...
R written 16 days ago by mms14013050
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Comment: C: SNP Array meaning
... I'm sorry I got it , they meant the patients not the genotype data sorry if you can delete the question please do ...
written 16 days ago by mms14013050
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SNP Array meaning
... I have an article their data was 1076 SNP array , what does that mean? I know that snps genotype are large number almost 1 million but they said they use 1076 only !!! any clarification will be appreciated Thanks, ...
snp written 16 days ago by mms14013050
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Comment: C: Survival analysis of TCGA patients integrating gene expression (RNASeq) data
... s1 has 6 elements > s1$chisq [1] 1.528015 > s1$n groups event_rna[ind_gene, ind_tum]=0 event_rna[ind_gene, ind_tum]=1 596 497 > s1$obs [1] 50 54 > s1$exp [1] 56.27811 47.72189 > s1$va ...
written 22 days ago by mms14013050
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Comment: C: Correct the error in the code
... Thank you very much, can I ask another question about an error for the same survival analysis pv <- ifelse ( is.na(s1),next,(round(1 - pchisq(s1$chisq, length(s1$n) - 1),3)))[[1]] Error in ifelse(is.na(s1), next, (round(1 - pchisq(s1$chisq, length(s1$n) - : no loop for break ...
written 22 days ago by mms14013050
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Comment: C: Survival analysis of TCGA patients integrating gene expression (RNASeq) data
... pv <- ifelse ( is.na(s1),next,(round(1 - pchisq(s1$chisq, length(s1$n) - 1),3)))[[1]] Error in ifelse(is.na(s1), next, (round(1 - pchisq(s1$chisq, length(s1$n) - : no loop for break/next, jumping to top level Can you tell me how to correct this error ...
written 22 days ago by mms14013050
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Comment: C: Survival analysis of TCGA patients integrating gene expression (RNASeq) data
... in addition there is ifelse here all_clin$new_time <- c() for (i in 1:length(as.numeric(as.character(all_clin$new_tumor_days)))){ all_clin$new_time[i] <- ifelse( is.na(as.numeric(as.character(all_clin$new_tumor_days))[i]), as.numeric(as.character(all_clin ...
written 22 days ago by mms14013050
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Correct the error in the code
... Hi I apply the survival analysis in [https://www.biostars.org/p/153013/][1] [1]: https://www.biostars.org/p/153013/ and there the code in below for (i in 1:dim(new_tum)[1]){ ifsumis.na(new_tum[i,])) < dim(new_tum)[2]){ m <- min(new_tum[i,],na.rm=T) new_tum_coll ...
R written 22 days ago by mms14013050
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Answer: A: Survival analysis of TCGA patients integrating gene expression (RNASeq) data
... > for (i in 1:dim(new_tum)[1]){ + ifsumis.na(new_tum[i,])) < dim(new_tum)[2]){ Error: unexpected ')' in: "for (i in 1:dim(new_tum)[1]){ ifsumis.na(new_tum[i,]))" > m <- min(new_tum[i,],na.rm=T) Error: object 'i' not found > new_t ...
written 22 days ago by mms14013050

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