n efficient way to pull a single type of residual as a vector. Whereas <code><a href="../reference/hlm_resid.default.html">hlm_resid()</a></code> spends time calculating all types of residuals and fitted values, <code><a href="../reference/pull_resid.default.html">pull_resid()</a></code> only calculates the type of residual specified by the user, saving time over using <code><a href="../reference/hlm_resid.default.html">hlm_resid()</a></code> and indexing for a specific column. This is especially useful whe