User: freuv

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freuv10
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Posts by freuv

<prev • 28 results • page 1 of 3 • next >
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Comment: C: determining cutoff for Kaplan Meier
... Which is more suitable for TCGA data where you don't really have control over the number of patients that fall into each quartile/cut-point bin? ...
written 18 days ago by freuv10
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Comment: C: Survival analysis in R using maxstat package -- clarification needed on methodol
... Hi arta, thank you for your quick response. If I am understanding correctly, are they not two different approaches? In the maxstat approach, we divide all patients within the 10-90% percentile of gene expression by a single cut-point value. What is above that is 'high' expression and what is below ...
written 18 days ago by freuv10
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Comment: C: Survival analysis in R using maxstat package -- clarification needed on methodol
... Why should one use a cut-point to classify 'high' and 'low' expression versus, say, selecting the patients with the top 10% highest expression and lowest 10% expression as your 'high' and 'low' cohort? ...
written 18 days ago by freuv10
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Survival analysis in R using maxstat package -- clarification needed on methodology
... I am interested in using the ‘maxstat’ package to run univariate survival analysis based on ‘high’ and ‘low’ gene expression. https://cran.r-project.org/web/packages/maxstat/maxstat.pdf However, I am looking for clarification on what the output of the maxstat package means. From my understandin ...
survival analysis R stats rna-seq written 19 days ago by freuv10 • updated 18 days ago by arta200
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Comment: C: TCGA data analysis on R Studio -- result would be too long a vector
... This is a good idea. Thanks for your input -- I will update progress here. ...
written 24 days ago by freuv10
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Comment: A: TCGA data analysis on R Studio -- result would be too long a vector
... This is the output on the test. 1 of 5 0.2 of 5 97.96.95.94.93.92.91.90.89.88.87.86.85.84.83.82.81.80.79.78.77.76.75.74.73.72.71.70.69.68.67.66.65.64.63.62.61.60.59.58.57.56.55.54.53.52.51.50.49.48.47.46.45.44.43.42.41.40.39.38.37.36.35.34.33.32.31.30.29.28.27.26.25.24.23.22.21.20.19. ...
written 24 days ago by freuv10 • updated 24 days ago by genomax42k
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Comment: C: TCGA data analysis on R Studio -- result would be too long a vector
... Is there a way to split a matrix by nrows and write to n new matrices? ...
written 24 days ago by freuv10
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Comment: C: TCGA data analysis on R Studio -- result would be too long a vector
... Maybe 2GB of free RAM? ...
written 24 days ago by freuv10
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Comment: C: TCGA data analysis on R Studio -- result would be too long a vector
... Hi Kevin, sorry for the late response -- did not see your message. I'm running RStudio on a Mac (Sierra), R version 3.4.3. 64-bit. ...
written 24 days ago by freuv10
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Comment: C: TCGA data analysis on R Studio -- result would be too long a vector
... Yes, I executed their example script as is. ...
written 25 days ago by freuv10

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