ric method <code><a href="https://rdrr.io/r/stats/lm.influence.html" class="external-link">influence</a></code> and methods
<code><a href="https://rdrr.io/r/stats/lm.influence.html" class="external-link">influence.lm</a></code> and <code><a href="https://rdrr.io/r/stats/lm.influence.html" class="external-link">influence.glm</a></code>. The <span class="pkg">car</span> package extends this to include
<code><a href="https://rdrr.io/pkg/car/man/influence-mixed-models.html" class="external-link">influence.lme</