span class="header-section-number">20.4</span> Large or small constants in a distribution</h2>
<p>When numbers with magnitude less than 0.1 or greater than 10 are used as arguments to a distribution, it indicates that some parameter is not scaled to unit value, so a warning is thrown. See <a href="https://mc-stan.org/docs/stan-users-guide/efficiency-tuning.html#standardizing-predictors-and-outputs" class="uri">https://mc-stan.org/docs/stan-users-guide/efficiency-tuning.html#standardizing-predictors-and-outp