<div class="section-label"><span class="num">02</span> Core</div> <div class="section-title">The forecast you always <em>get</em>.</div> Every successful prediction function includes a forecast, fit, several metadata on dimensions, and some core statistics. Grid predictions give additional insights that are rich in information. ## Sizes | Field | Meaning | | --- | --- | | <span class="mono">n_observations</span> (N) | Training rows | | <span class="mono">n_variables</span> (K) | Attribute columns | | <span class="mono">n_thresholds</span> (T) | Thresholds kept on this result | | <span class="mono">thresholds</span> | The threshold values (length T) | | Path | Typical T | | --- | --- | | Predict | The number of thresholds you passed | | MaxFit | One — the winning threshold | | Grid | One — the composite | ## Always present Length T unless noted: | Field | Role | | --- | --- | | <span class="mono">thresholds</span> | Threshold values on the result | | <span class="mono">yhat</span> | The prediction. On Grid, a single composite value | | <span class="mono">fit</span> | How reliable this prediction looks | | <span class="mono">adjusted_fit</span> | Fit after the adjustment multiplier | | <span class="mono">agreement</span> | Alignment diagnostic | | <span class="mono">asymmetry</span> | Include vs exclude contrast | | <span class="mono">k_fit</span> | K-scaled / related fit objective | | <span class="mono">outlier_influence</span> | Outlier influence measure | ## Also on some runs | Field | When it appears | | --- | --- | | <span class="mono">yhat_linear</span> | When linear comparison is turned on in [[Settings/Options#PredictOptions\|PredictOptions]] | | <span class="mono">maxfit_index</span> | On MaxFit: which candidate won the search | ## Related - [[MaxFit]]: why core is typically one threshold - [[Settings/Options#PredictOptions|PredictOptions]]: thresholds and linear comparison <div class="btn-row center"> <a class="btn-primary" href="/Results/Weights%20&%20Insights">Weights & Insights</a> <a class="btn-ghost" href="/Results/Overview">Results</a> </div>