GabyLP questions

• ggplot2 heatmap, color scale with conditions
• r ifelse date not adding days
• Replacing a list with a vector in R
• proc sql mode function
• R - data table rolling window- customized function
• Find a submatrix in a matrix
• R- sqldf -need explicit units for numeric conversion
• Speeding up ifelse() without writing C/C++?
• R -apply- convert many columns from numeric to factor
• R- create temporary table in sql server from R data frame

GabyLP answers