User: silsie645

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silsie64520
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Posts by silsie645

<prev • 41 results • page 1 of 5 • next >
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Comment: C: Survival analysis with gene expression
... After multiple tries, I keep getting this: package ‘Rcpp’ successfully unpacked and MD5 sums checked Error: Failed to install 'RegParallel' from GitHub: (converted from warning) cannot remove prior installation of package ‘Rcpp’ Oh and you were right about testing the genes individua ...
written 5 months ago by silsie64520
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Comment: C: Survival analysis with gene expression
... So I tried doing this, #creating a new data frame for objective 6 Age<- coxdata$Age Death<-coxdata$Death Gender<-coxdata$Gender Grading<-coxdata$Grading UICC<-coxdata$UICC OverallSurvival_months<-coxdata$OverallSurvival_months Rezidiv<-coxdata$R ...
written 5 months ago by silsie64520
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Comment: C: Survival analysis with gene expression
... Ok. I will try a create a new data frame with the dichotomized genes and the phenotype data. Hope it works out. ...
written 5 months ago by silsie64520
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Comment: C: Survival analysis with gene expression
... Yes please. Could you help me with a tutorial on how to do this please? I used the code Res<- Regparallel(data=coxdata, formula= 'Surv(OverallSurvival_months, Death)~[*]+Age+Grading+Gender+UICC' .... But I realised it only shows the relation between the genes as a whole (but not dichotomize ...
written 5 months ago by silsie64520
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Comment: C: Survival analysis with gene expression
... No please. I want to perform an ANOVA test (I think) to show the relation between the high and low expression of my genes (18 in all) and the phenotype data separately, that is age, gender, UICC and grading (2 or 3). ...
written 5 months ago by silsie64520
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Comment: C: Survival analysis with gene expression
... Hi Kevin. Am back again lol. Is it possible to test the high and low expression of the genes with each of the phenotype data? ...
written 5 months ago by silsie64520
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Comment: C: Survival analysis with gene expression
... Hi Kevin, do you think this method will work in this case as well. I was worried that it might not work since the gene expression levels have been standardized. ...
written 6 months ago by silsie64520
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Comment: C: Survival analysis in R using maxstat package -- clarification needed on methodol
... Hello Arta. Sorry I'm late but I will like to know if the maxstat can be used for standardized data, that is when the gene data has been converted to z values. Can the maxstat determine an optimal cut off point using this data? ...
written 6 months ago by silsie64520
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Comment: C: Obtaining gene expression data from GEO
... Ok thank you Papyrus and patelk26. I'm still trying to wrap my mind around these tutorials but I'm sure I will find something. ...
written 6 months ago by silsie64520
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Comment: C: Obtaining gene expression data from GEO
... Hi everyone. Is it better to use the actual expression data of my genes or the normalized data (their z values) to analyze which genes were lowly or highly expressed. I was planning on making a table of this or using box plot analysis to find for example the mean expression for each, median, their s ...
written 6 months ago by silsie64520

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