Turning numbers into strings

String Manipulation with stringr in R

Charlotte Wickham

Assistant Professor at Oregon State University

Turning a number into a string

estimate <- 1.34019029100

$1.34

as.character(estimate)

"1.340190291"

format(estimate, digits = 3)

"1.34"

formatC(estimate, 
        format = "f", digits = 2)

"1.34"

chap_1_2.010.png

chap_1_2.011.png

chap_1_2.012.png

chap_1_2.013.png

chap_1_2.015.png

chap_1_2.016.png

chap_1_2.017.png

1989000000000000000000000000000

1.989e+30

0.000000000008

8e-12

x <- c(1989000000000000000000000000000, 0.000000000008)

format(x, scientific = TRUE)

"1.989e+30" "8.000e-12"

format(x, scientific = FALSE)

"1988999999999999901909255192576.000000000000"
"                              0.000000000008"

formatC(x, format = "f")

"1988999999999999901909255192576.0000"
"0.0000"

formatC(x, format = "e")

"1.9890e+30" "8.0000e-12"

formatC(x, format = "g")

"1.989e+30" "8e-12"

String Manipulation with stringr in R