Extreemwaarden
Extreemwaarden, often translated as extreme values or outliers, are data points that lie significantly far from the main body of a dataset. They are values that are unusually high or unusually low compared to the rest of the observed data. The identification and handling of extreme values are crucial steps in data analysis because they can disproportionately influence statistical measures and the overall interpretation of results.
The presence of extreme values can skew statistical indicators. For instance, the mean (average) of a dataset
There are several methods to detect extreme values. Visual inspection of data through plots like box plots
The decision on how to handle extreme values depends on their cause and the context of the