Re: [R] Small vector into large data frame

Use the p_f numbers as an "index" of spot$pxlast. Suppose your data frame is called mydata, mydata$newvar <- spot$pxlast[mydata$p_f] Jean On Fri, Nov 14, 2014 at 8:48 AM, Francesca Pancotto < francesca.panco...@unimore.it> wrote: > Dear Contributors > I seem not to get the general rule applyin

[R] Small vector into large data frame

Dear Contributors I seem not to get the general rule applying to the use of loops. I need some help. I have a database in which i need to generate a variable according to the following rule. This is the database head bank_name date px_last Q_Y p_made p_for p_m p_f aba.1