MGamma can convert between different formats.

• assigned: pjotrp, artyom
• type: feature
• priority: high

• [X] Store genotypes as floats instead of doubles in lmdb
• [X] Required for the above: rework the type system in guile-gsl to allow float vectors/matrices
• [ ] Add annotations to genotype lmdb format - probably as the first named columns
• [X] Provide a metadata header in JSON that tracks such info and a version

{type: "geno", version:0.01, float: true, anno:["name","chr","pos"]}

• [ ] Convert genotypes from strings using Rqtl2 CSV and metadata-JSON version of the control format, see

• https://kbroman.org/qtl2/assets/vignettes/input_files.html

• [X] Write kinship lmdb as floats (half size)
• [X] Add individual names as first column in kinship rows (implemented as plain unsigned ints for now)
• [ ] Somehow find the names for individuals? Is there a file format for that?
• [X] If symmetric only store half the data
• [X] Add JSON meta header to track that information

{type: "GRM", version:0.01, float: true, symmetric: true}

• [ ] Support genodb database format:

• See the genotype-database topic