keep pre-specified decimal values in R

Question

I have a vector with values such as 0.953, 0.952, 0.07555 .. I just want to keep the first two decimal values. In other words, I just want to transform the above list as 0.95, 0.95, 0.08.How to do this in R?

Answer 1

Here is one approach.

Idea borrowed from Formatting Decimal places in R

# A useful function that you can use anytime. 
specify_decimal <- function(x, k) format(round(x, k), nsmall=k)

data <- c(0.953, 0.952, 0.07555)

specify_decimal(x=data, k= 2) 
[1] "0.95" "0.95" "0.08"