Do you use R for data manipulation?
Le lundi 11 mai 2009 ? 23:20 +0800, ronggui a ?crit : [ Snip... ]
But, at least in my trade, the ability to handle Excel files is a must (this is considered as a standard for data entry. Sigh ...).
[ Re-snip... ]
I don't think Excel is a standard tool for data entry. Epidata entry is much more professional.
Irony squared ? This *must* go in the fortunes file ! Emmanuel Charpentier