Created
May 8, 2019 23:35
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Special Values in R
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| #Special Values (NA, NaN, Inf e -Inf, Null) | |
| #NA vs NULL | |
| c(18,NA,NA,19,50) | |
| c(18,NA,NULL,19,50) | |
| class(NA) | |
| #Create variables with special values | |
| var_na = NA | |
| var_nan = 0/0 | |
| var_inf = 9/0 | |
| var_inf_neg = -1/0 | |
| var_null = NULL | |
| #Create vector | |
| c(var_na,var_nan,var_inf,var_inf_neg,var_null) | |
| #Validations | |
| is.na(var_na) | |
| is.nan(var_nan) | |
| is.infinite(var_inf) | |
| is.infinite(var_inf_neg) | |
| is.finite(var_inf) #false | |
| is.null(var_null) |
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