| krigr_cross_validation | Multithreaded cross validation routine for Omic Kriging. |
| load_sample_data | Loads sample phenotype and covariate data into data frame. |
| make_GXM | Compute gene expression correlation matrix. |
| make_PCs_irlba | Run Principal Component Analysis (PCA) using the irlba package. |
| make_PCs_svd | Run Principal Component Analysis (PCA) using base R svd() function. |
| okriging | Run omic kriging on a set of correlation matrices and a given phenotype. |
| read_GRMBin | Read the GRM binary file. |
| write_GRMBin | Write GRM binary files. |