[R] Strange error message, many thanks

David Winsemius dw|n@em|u@ @end|ng |rom comc@@t@net
Sat Mar 21 20:26:32 CET 2020


On 3/21/20 12:18 PM, varin sacha wrote:
>   mean((d[["y_obs "]] - ypred)^2)

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