the max number of line to write to big matrix for each loop
priority
'memory' or 'speed'
row_names
whether the numeric genotype has row names
col_names
whether the numeric genotype has column names
type.geno
the type of genotype elements
auto_transpose
whether to detecte the row and column
verbose
whether to print the reminder
Value
number of individuals and markers.
Output files:
genotype.desc, genotype.bin: genotype file in bigmemory format
phenotype.phe: ordered phenotype file, same taxa order with genotype file
map.map: SNP information