Título: | Robust statistics : a method of coping with outliers |
Autores: | ROYAL SOCIETY OF CHEMISTRY |
Tipo de documento: | texto impreso |
Editorial: | Cambridge [REINO UNIDO] : Royal Society of Chemistry, 2001 |
Colección: | AMC Technical Brief, num. 6 |
ISBN/ISSN/DL: | 29712 |
Dimensiones: | 2 p. |
Nota general: | ISBN: |
Langues: | Inglés |
Clasificación: | |
Resumen: | Robust statistics is a convenient modern way of summarising results when we suspect that they include a small proportion of outliers. Most estimates of central tendency (e.g., the arithmetic mean) and dispersion (e.g., standard deviation) depend for their interpretation on an implicit assumption that the data comprise a random sample from a normal distribution. But we know that analytical data often depart from that model. They are often heavy tailed (contain a higher than expected proportion of results far from the mean) and sometimes contain outliers. |
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