check properties in as.codedata.data.frame

ropensci / coder

Classification of Cases into Deterministic Categories

https://docs.ropensci.org/coder/

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check properties in as.codedata.data.frame #22

Closed eribul closed 7 years ago

eribul commented 7 years ago

CHeck propoerties of data frame before converting to data.table to avoid later error messages. Perofrm this by a separate help function based on is.codedata.