| LDexpress | Determine if genomic variants are associated with gene expression. | 
| LDhap | Calculates population specific haplotype frequencies of all haplotypes observed for a list of query variants. | 
| LDmatrix | Generates a data frame of pairwise linkage disequilibrium statistics. | 
| LDpair | Investigates potentially correlated alleles for a pair of variants. | 
| LDpop | Investigates allele frequencies and linkage disequilibrium patterns across 1000 Genomes Project populations. | 
| LDproxy | Explore proxy and putative functional variants for a single query variant. | 
| LDproxy_batch | Query LDproxy using a list of query variants, one per line. | 
| LDtrait | Determine if genomic variants are associated with a trait or disease. | 
| list_chips | Provides a data frame listing the names and abbreviation codes for available commercial SNP Chip Arrays from Illumina and Affymetrix. | 
| list_gtex_tissues | Provides a data frame listing the GTEx full names, 'LDexpress' full names (without spaces) and acceptable abbreviation codes of the 54 non-diseased tissue sites collected for the GTEx Portal and used as input for the 'LDexpress' function. | 
| list_pop | Provides a data frame listing the available reference populations from the 1000 Genomes Project. | 
| SNPchip | Find commercial genotyping chip arrays for variants of interest. | 
| SNPclip | Prune a list of variants by linkage disequilibrium. |