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Mechanism for converting numeric variables into strings for reporting.
var2string(vars, maxlength = 0, nsig_e = 3, nsig_f = 4)
Number as a string padded
numeric variable or a vector of numeric variables
if this value is greater than zero spaces will be added to the beginning of the string until the total length is equal to maxlength
number of significant figures for scientific notation
number of significant figures for numbers (2.123)
var2string(pi, nsig_f=20) var2string(.0001121, nsig_e=2, maxlength=10)
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