Therkel questions

Therkel answers

• Create groups based on time period
• SAS Studio - parentheses affecting how sysfunc function resolves macro variable
• xtable in Sweave: specify toprule or midrule in a table + alignement
• How can i perform mathematical operations on a base n number system in R
• Importing several txt files from certain folder
• Returning 'traditional' notations of functions in the context of fourier interpolation