backup; not finished

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Heng Li 2018-03-12 13:20:25 -04:00
parent de0480ac5b
commit ad1beaf255
1 changed files with 19 additions and 3 deletions

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@ -7,7 +7,7 @@
* [Evaluating mapping accuracy with simulated reads (for developers)](#mapeval)
- [Read Overlap](#read-overlap)
* [Long-read overlap](#long-read-overlap)
* [Evaluating overlap sensitivity](#ov-eval)
* [Evaluating overlap sensitivity (for developers)](#ov-eval)
## <a name="install"></a>Installation
@ -76,6 +76,8 @@ paftools.js mason2fq tmp.sam | seqtk seq -1 > ecoli_mason_1.fq
paftools.js mason2fq tmp.sam | seqtk seq -1 > ecoli_mason_2.fq
```
## <a name="read-overlap"></a>Read Overlap
### <a name="long-read-overlap"></a>Long read overlap
@ -89,9 +91,9 @@ Here we explicitly applied `-r 10000`. We are considering to set this as the
default for the `ava-ont` mode as this seems to improve the contiguity for
nanopore read assembly (Loman, personal communication).
**Minimap2 doesn't work well with short-read overlap.**
*Minimap2 doesn't work well with short-read overlap.*
### <a name="ov-eval"></a>Evaluating overlap sensitivity
### <a name="ov-eval"></a>Evaluating overlap sensitivity (for developers)
```sh
# read to reference mapping
@ -102,5 +104,19 @@ sort -k6,6 -k8,8n to-ref.paf | paftools.js ov-eval - overlap.paf
You can see that for PacBio reads, minimap2 achieves higher overlap sensitivity
with `-x ava-pb` (99% vs 93% with `-x ava-ont`).
## <a name="map-rna"></a>Mapping Long RNA-seq Reads
(Unfinished section. Data to come later...)
### <a name="map-direct-rna"></a>Mapping Nanopore direct-RNA reads
```sh
minimap2 -ax splice -k14 -uf ref.fa reads.fa > aln.sam
```
[pbsim]: https://github.com/pfaucon/PBSIM-PacBio-Simulator
[mason2]: https://github.com/seqan/seqan/tree/master/apps/mason2