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Steve miller's Blog – December 2019 Archive (1)

Using "record id's" to facilitate processing in Python-Pandas and R-data.table.

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Both R and Python-Pandas are array-oriented platforms that support fast filtering through vectors of record-id's. In Python-Pandas, such vectors are implemented via Pandas's powerful index construct; in R-data.table, they're accessible through the "which" and "row.name" functions. In both instances, joins to record-id vectors generate fast subsetted access.

How is the record-id vector approach helpful? For starters, the analyst can encapsulate common…

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Added by steve miller on December 13, 2019 at 5:51am — No Comments

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