| Reais | R Documentation | 
This is a wrapper around brformat.
Reais(x, prefix = "R$ ", ...)
reais(...)
| x | a real number | 
| prefix | currency units. Defaults for brazilian reais. | 
| ... | further arguments to be passed to brformat. | 
text in Reais.
Reais(100)
library(ggplot2)
p <- ggplot(centro_2015@data, aes(x = area_total, y = valor)) +
      geom_point(na.rm = TRUE)
p + scale_y_continuous(labels = reais(nsmall = 0))
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