[R] Aggregating data from two data frames

Dear all, I'm working with two data frames. The first frame (agg_data) consists of two columns. agg_data[,1] is a unique ID for each row and agg_data[,2] contains a continuous variable. The second data frame (geo_data) consists of several columns. One of these columns (geo_data$ZCTA)

Re: [R] Aggregating data from two data frames

Have a look at match and merge. Hadley On Wednesday, September 8, 2010, Michael Haenlein haenl...@escpeurope.eu wrote: Dear all, I'm working with two data frames. The first frame (agg_data) consists of two columns. agg_data[,1] is a unique ID for each row and agg_data[,2] contains a