| var2string | R Documentation | 
Mechanism for converting numeric variables into strings for reporting.
var2string(vars, maxlength = 0, nsig_e = 3, nsig_f = 4)
| vars | numeric variable or a vector of numeric variables | 
| maxlength | 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 | 
| nsig_e | number of significant figures for scientific notation | 
| nsig_f | number of significant figures for numbers (2.123) | 
Number as a string padded
var2string(pi, nsig_f=20)
var2string(.0001121, nsig_e=2, maxlength=10)
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