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August 29, 2015 14:21
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If you need change numbers treat as characters in a data frame to numeric class, this function will be useful.
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| toNum <- function(x){ | |
| for (i in 1:length(x)){ | |
| matrix <- as.matrix(x) | |
| x[,i] <- as.numeric(matrix[,i]) | |
| } | |
| } | |
| #At the end, all characters in the data frame will be numeric type variables. |
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