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Questions related from Rolando Garcia
I entered 3 molecules in the Input data tab to carry out Protein-DNA interactions (protein, chain C; DNA, chain K; DNA, chain L). In the input parameters, I entered the active residues of the...
25 January 2024 3,701 0 View
I'm trying to feed a corpus into a DocumentTermMatrix (dtm) to analyze, but I noticed that dtm doesn't keep all terms (for example, I have terms with parenthesis and semicolons that I would like...
03 November 2017 6,162 1 View
Im using the tm package and would like to create a matrix with the most frequent terms - say 50 in a DocumentTermMatrix.
16 May 2016 6,079 2 View
Any other image processing and analysis package that one may use in R.
28 January 2016 5,313 6 View
material that can absorb or reflect up to this frequency.
28 January 2016 4,362 3 View
I'm searching for the mouse stromal MS5 cell line that has been transduced with the NOTCH ligand delta-like-1 (DL1). Is it commercially available? Any other sources available out there that may...
13 August 2014 165 1 View
Using R (nnet and neural net).
08 June 2014 3,908 1 View
What is the best way to deal with quasi-complete separation of data points in a logistic regression?
06 May 2014 7,562 5 View
Due to some drawbacks of the Hosmer-Lemeshow (H-L) goodness-of-fit test, what other alternative method to the H-L would you say does a better job in calibration of prediction models? Perhaps...
30 April 2014 5,921 3 View
I'd like to run an analysis using different sets of GEP datasets / perhaps datasets from GEO using different platforms - all this in R. I once saw a similar post but I'm not able to find it.
26 April 2014 9,450 2 View
Can you still have a good model despite a p-value < .05 for the H-L goodness of fit test? Any alternative testing in SAS or R?
31 March 2014 2,722 2 View
Any other open source tool that may be used for MC tests of the accuracy of cluster analysis?
16 February 2014 7,494 3 View
Is R suitable for such analysis?
18 July 2013 607 1 View
A logistic regression model: How can you explain a high p-value for a variable in a logistic regression (say .9587) with a point estimate (odds ratio) of >999.99. The variable has a strong...
30 April 2013 3,256 3 View
Open source programs
12 February 2013 7,469 26 View