Hey guys, I hope anyone can help me on this. I have a data set, which is continuously updated. For each observation, I have the time and date when the observations entered the data set. Currently I am calculating a number of metrics (means etc.) for the whole data set using a proc tabulate, which is working fine. However, I would like to perform my analysis not on the entire data set but only on the observations of the last 20 or 30 minutes from the moment, I request my metrics (System Time). Is there a way to include this restriction into a WHERE statement in the proc tabulate or is there a simple way to extract this time interval (last 20 min.) and create a new data set and then run the analysis? Thank you guys. Kind regards
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