Recent content by jonjaffe

Trading on written news / news feeds has been going on for years (google search it, maybe ~10 years?) but now the news algos are predicting sentiment! Via facebook, twitter, of course

Sort by the 'indicator' column. Then, in a data set, do something like: data data_set_name; set indicator_data_set_name; by indicator; if first.indicator; // this will output the first observation for each sorted set run; But it looks like you want the first 2 observations of each sorted...

Thanks Joy. Very helpful!!!

Go for Riverside - it's much nicer, especially in the summer!

What happened to Perl?!