inlier etymology

Etymology:

  • in- (Latin): within, inward
  • lier (English): one that lies or remains

Meaning:

  • A data point, measurement, or observation that is consistent with a statistical model or hypothesis.
  • In contrast to an outlier, which is a data point that significantly deviates from the rest of the data.

Origin:

The term "inlier" was first used in the field of statistics in the early 20th century. It was originally coined by statistician Karl Pearson to describe data points that fell within a certain confidence interval around a population mean.

Over time, the term expanded to encompass any data point that conformed to a given statistical model. Today, "inliers" are typically defined as data points that have a high probability of being generated by the model.

Significance:

  • Inliers are important for statistical modeling because they provide support for the validity of the model.
  • By identifying and analyzing inliers, researchers can gain insights into the underlying processes or relationships represented by the model.
  • Inliers can also help identify data errors or outliers that may need to be excluded from the analysis.

inlier relate terms

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