storaged questions

storaged answers

• How to write to a file in tab delimited manner?
• Floor and ceiling with 2 or more significant digits
• How to calculate percentage for each cell in a dataframe using ddply?
• String as factor in R
• How to choose the right kernel functions
• How to extend the 'summary' function to include sd, kurtosis and skew?
• Issues with limma for analysis of microarray gene expression data - possibly related to design matrix
• Rmarkdown presentation slide tickers
• R getting subtrees from dendrogram based on cutree labels