R | Variable Conversion

The “as….” explicitly converts the data to whatever you desired outcome.

  • as.array(x)
  • as.data.frame(x)
  • as.numeric(x)
  • as.logical(x)
  • as.vector(x)
  • as.matrix(x)
  • as.complex(x)
  • as.character(x)
  • … convert type; for a complete list, use methods(as)
to one long
vector
to
matrix
to
data frame
from
vector
c(x,y) cbind(x,y)
rbind(x,y)
data.frame(x,y)
from
matrix
as.vector(mymatrix) as.data.frame(mymatrix)
from
data frame
as.matrix(myframe)

If you are interested in testing data types use “is…” instead of “as…” this will allow R to return a TRUE or FALSE outcomes.

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