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BioMart Sequence and feature download t …
stand by me streaming vf BioMart Sequence and feature download tools http://www.biomart.org/
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RSAT (Regulatory Sequence Analysis Tools …
Bowthorpe RSAT (Regulatory Sequence Analysis Tools) http://rsat.ccb.sickkids.ca/index.html
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E. coli promoter sequences: RegulonDB
E. coli promoter sequences: RegulonDB
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Human TF motifs JASPAR database
Human TF motifs JASPAR database
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Prodoric database E. coli TF motifs ht …
Prodoric database E. coli TF motifs http://prodoric.tu-bs.de/
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GOMO: predicting GO terms from PWM http …
GOMO: predicting GO terms from PWM http://meme.nbcr.net
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R 01/22/2011
R apply functions tags: R tutorials Posted from Diigo. The rest of my favorite links are here.
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Great explanation about many apply funct …
Great explanation about many apply functions in R A brief introduction to “apply” in R
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Use sapply(), lapply(), vapply() when th …
Use sapply(), lapply(), vapply() when the data is data frame or list and use apply() when the data is matrix. Because matrix does not have the “direction”, e.g., row-wise or column-wise, to apply the function. So it has to be explicitly given. apply(data, 2, FUN) # for example, column-wise application of the FUN
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Difference between “[” and “[[” in R …
Difference between “[” and “[[” in R Those are operators for elements in R. The difference between the two is that “[” slices the data while “[[” extracts the data. The reason is “[[” iterates to get the data. The manual says it in this way; “[” keep the name while “[[” drops the name,…