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.
Package details 


Author  Hae Kyung Im, Heather E. Wheeler, Keston Aquino Michaels, Vassily Trubetskoy 
Date of publication  20160308 00:12:43 
Maintainer  Hae Kyung Im <haky@uchicago.edu> 
License  GPL (>= 3) 
Version  1.4.0 
Package repository  View on CRAN 
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