The website of the writer Catherine Newman. About the writer Catherine Newman. About the writer Catherine Newman. The website of the writer Catherine Newman. Unless you just wanted to rush off and buy my new book, which would be. I have written a couple of books! And lots of other essays and articles and columns and miscellaneous things! Proudly powered by Weebly.

Tom Martens explains a class of generic data processing problems. Subset and Apply means that I have a dataset of some rows where due to some conditions all the rows have to be put into a bucket and then a function has to be applied to each bucket. One quick example of this is running totals of orders for each customer, which Tom answers using T-SQL, R, and Power BI. Click through for those three solutions.

Wednesday, February 24, 2016. Wednesday, February 17, 2016. Normally when there is pet-related badness pertaining to food, Lester is at the heart of it. He may have had help from the new recruit on this one, though. Welcome to the household, Monty. Friday, January 15, 2016. David sent me this picture of the things he intended to put on our habitual Friday night pizza. No other explanation is necessary. Wednesday, January 13, 2016. Thursday, December 31, 2015.

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