236_en-US
Accumulate column dataHow do I use the lag operator to add up data on a row wise basis? That is, I want to accumulate data from column tair in a new column called chilling degree if the tair value is > 5.
tair chilling degree
5 5
7 5
5 10Re: Accumulate column dataI don't know the answer to this question, but it sounds like you're working with building energy data. Am I right? That's my field as well so I'd be happy to trade scripts and files with you.
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