Calculates the natural logarithm of the sum of field value and
1. For small values of x
, the
result of log1p(x)
is much
closer to the true result of ln(1 +
x)
than the floating-point evaluation of
log(1.0+x)
.
Hide omitted argument names for this function
Omitted Argument NamesThe argument name for
field
can be omitted; the following forms of this function are equivalent:logscale Syntaxmath:log1p("value")
and:
logscale Syntaxmath:log1p(field="value")
These examples show basic structure only.