An improved Fuzzy Kappa statistic that accounts for spatial autocorrelation
نویسندگان
چکیده
منابع مشابه
An improved Fuzzy Kappa statistic that accounts for spatial autocorrelation
The Fuzzy Kappa statistic expresses the agreement between two categorical raster maps. The statistic goes beyond cell-by-cell comparison and gives partial credit to cells based on the categories found in the neighborhood. When matching categories are found at shorter distances the agreement is higher. Like the well-established Kappa statistic the Fuzzy Kappa statistic expresses the mean agreeme...
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Confidence intervals for the kappa statistic
The command kapci calculates 100(1 − α)% confidence intervals for the kappa statistic using an analytical method in the case of dichotomous variables or bootstrap for more complex situations. For instance, kapci allows estimating CI for polychotomous variables using weighted kappa or for cases in which there are more than 2 raters/replications.
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The kappa statistic is frequently used to test interrater reliability. The importance of rater reliability lies in the fact that it represents the extent to which the data collected in the study are correct representations of the variables measured. Measurement of the extent to which data collectors (raters) assign the same score to the same variable is called interrater reliability. While ther...
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ژورنال
عنوان ژورنال: International Journal of Geographical Information Science
سال: 2009
ISSN: 1365-8816,1362-3087
DOI: 10.1080/13658810802570317