We sometimes use a full stop (period at the end) of error messages, but not always, e.g.
src/colOrderStats.c: error("Argument 'which' must be a single number.");
src/colOrderStats.c: error("Argument 'which' must be a numeric number.");
src/colOrderStats.c: error("Argument 'rows' must not contain missing value");
src/colOrderStats.c: error("Argument 'cols' must not contain missing value");
We sometimes use a full stop (period at the end) of error messages, but not always, e.g.
We should not use full stop in error messages.