extrae_num | R Documentation |
Combina muy bien con limpia_num
(ver ejemplos)
extrae_num(x)
x |
character. Vector con expresiones (presumiblemente) numéricas |
Vector character en los que sólamente figuran
limpia_num
v <- c("2,0e-4 µg/L", "<0...0002", "<0,0002", "<0.5", "<0,,5", "0.02 µg/L", "<1,0E+02", "<P0.Ea5", "< 0.2", "<< 34. 06E + 12 ug /L") extrae_num(v) extrae_num(v) %>% limpia_num() extrae_num(v) %>% limpia_num() %>% as.numeric limpia_num(extrae_num(v)) limpia_num(extrae_num(v))
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