[R-es] simple gráfica con coordenadas

[David Montes]

> set.seed(100)
> x <-  matrix(rnorm(30),nrow = 5, ncol =6)
> apply(39.3564682007,1, sum)
 >apply(39,1, sum)
Error in apply(39, 1, sum) : dim(X) must have a positive length


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