I am co-assembling metagenomic PE reads. megahitand metaSPAdesconsistently choose the final assembly as one based on the longest k-mer (141).
What does that tell about my input data and the assembly? Any cause for joy or concern?
Thanks, genomax. A lot in 1st and 3rd papers is - and will likely always be - outside of my field.
But I am happy to have gleaned one thing from your second bullet point. If the best k-mer length is often 80% of read length, then the longest available k-mer (141 for megahit and 127 for metaSPAdes) would make sense for my input data, which is PE 250bp.
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