Created
May 22, 2013 19:11
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| db <- as.data.frame(lapply(db, function(x){ | |
| x <- as.character(x) | |
| replace(x, x == "0", NA) | |
| x <- as.factor(x)})) | |
| db <- as.data.frame(lapply(db, function(x){ | |
| x <- as.character(x) | |
| replace(x, x == "", NA) | |
| x <- as.factor(x)})) |
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