msdigit: The most significant digits of numbers
In pedro-teles-fonseca/daubl: Digit Analysis Using Benford's Law

Description Usage Arguments Details Value See Also Examples

Obtain the most significant digits of numbers in numeric vectors or matrices.

1	msdigit(x)

`x`	A numeric vector or matrix.

For each non-zero, non-missing element of x, msdigit returns the first digit of that number's floating point representation of base 10. NA values in x generate NA values in the output of msdigit.

msdigit returns a numeric vector with length equal to the number of non-zero elements of x plus the number of NA values in x.

smsdigit to obtain the second most significant digits of numbers.

msdigit(451)
msdigit(0.00451)
msdigit(-0.00451)
msdigit(c(-31.12, -0.23, 0.1234, 5.32))

x <- c(1, 2, 3, NA)
length(x)
length(msdigit(x)) # equal to length(x)

x <- c(0, 1, 2)
length(x)
length(msdigit(x)) # not equal to length(x)