@lag n-th order lag function.

@last The last non-missing value in the vector or series.

@lastsby Last non-missing value in a series for each specified group.

@lasterrnum Last error number generated by a previously issued command.

@lasterrstr Last error message generated by a previously issued command.

@left Left-hand characters in a string.

@len Length of a string.

@length Length of a string.

@linepath Location of the program file currently being executed.

@loadprgini Variable name value in an “.ini” file.

@localt Convert UTC (Coordinated Universal Time) to local time.

@log Natural logarithm function.

log Natural logarithm function.

@log10 Base-10 logarithm function.

@log1mexp Natural logarithm function of 1 minus exponential of argument.

@log1p Natural logarithm function of 1 plus argument.

@logcnorm Natural logarithm of standard normal cumulative distribution.

@logit Logistic transform.

@logx Arbitrary base logarithm function.

@lower Lowercase representation of a string, or lower triangular matrix of a matrix.

@ltrim Trim left-whitespace from string.

@lu LU decomposition of a matrix.