Posts by Camila Dafne de Carvalho • 1 point

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  Q: Sum of 2 date.frame columns

  I need to add two columns of a date frame.. Example: Preiso add all rows of the columns rural and urban. I tried the apply and rowsum codes and all gave error. Error apply: apply(educa[, 3:4], 2,…

  r summing-up

  asked 3 years, 3 months ago Camila Dafne de Carvalho 1