![]() For instance, you may remove 5 per cent of the lowest and 5 per cent of the highest values. That is, a percentage of the lowest and (normally an equal percentage of) the highest values of a variable are removed from the data when computing the mean. Trimming means discarding values at the tails of the distribution. ![]() ![]() Trimming and winsorizing are procedures that may help to assess the magnitude of such influences and to possibly arrive at measures that are subject to such influences to a lesser degree. It is generally known that the mean (typically we have the arithmetic mean in mind) may be heavily influenced by outlying values. Multiple Imputation: Analysis and Pooling Steps.Confidence Intervals with ci and centile.Changing the Look of Lines, Symbols etc.
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