Table 3 Four cases of measurement errors. Note: the RMSPE statistic is generally used to assess the deviations between the observed values and true values36.

From: Identification of Migratory Insects from their Physical Features using a Decision-Tree Support Vector Machine and its Application to Radar Entomology

Error label

Standard deviation

Root mean square percent error

Wingbeat frequency (Hz)

Mass

Length-to-width ratio

Body length

Case I

1

40%

40%

—

Case II

1

20%

20%

—

Case III

1

10%

10%

—

Case IV

1

10%

10%

10%

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