Median absolute deviation (MAD)
The median of absolute deviations from the median, scaled by 1.4826 to estimate σ for normal data. Robust to outliers.
Related terms
- Median
- The 50th percentile. Preferred over the mean throughout this index because purity distributions have long left tails.
see also Interquartile range (IQR)
Where this term appears
The glossary exists to make record pages readable without a chemistry degree. Every technical term on a report resolves here.
- Assay report records — the term appears in result tables, peak tables and provenance blocks
- Method references — where the measurement behind the term is defined
- All 16 glossary terms beginning with M