It provides functions to generate a correlation matrix from a genetic dataset and to use this matrix to predict the phenotype of an individual by using the phenotypes of the remaining individuals through kriging. Kriging is a geostatistical method for optimal prediction or best unbiased linear prediction. It consists of predicting the value of a variable at an unobserved location as a weighted sum of the variable at observed locations. Intuitively, it works as a reverse linear regression: instead of computing correlation (univariate regression coefficients are simply scaled correlation) between a dependent variable Y and independent variables X, it uses known correlation between X and Y to predict Y.
|Author||Hae Kyung Im, Heather E. Wheeler, Keston Aquino Michaels, Vassily Trubetskoy|
|Date of publication||2016-03-08 00:12:43|
|Maintainer||Hae Kyung Im <[email protected]>|
|License||GPL (>= 3)|
|Package repository||View on CRAN|
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