Files
obitools4/pkg/obitools/obicleandb/obicleandb.go
Eric Coissac 4e4fac491f Fisrt versin of the two levels indexing
Former-commit-id: 4d86483bc120e27cb6f5d2c216596d410274fc69
2024-07-12 15:17:48 +02:00

300 lines
7.2 KiB
Go

package obicleandb
import (
"math/rand"
log "github.com/sirupsen/logrus"
"git.metabarcoding.org/obitools/obitools4/obitools4/pkg/obialign"
"git.metabarcoding.org/obitools/obitools4/obitools4/pkg/obichunk"
"git.metabarcoding.org/obitools/obitools4/obitools4/pkg/obiiter"
"git.metabarcoding.org/obitools/obitools4/obitools4/pkg/obioptions"
"git.metabarcoding.org/obitools/obitools4/obitools4/pkg/obiseq"
"git.metabarcoding.org/obitools/obitools4/obitools4/pkg/obistats"
"git.metabarcoding.org/obitools/obitools4/obitools4/pkg/obitools/obigrep"
)
func SequenceTrust(sequence *obiseq.BioSequence) (obiseq.BioSequenceSlice, error) {
sequence.SetAttribute("obicleandb_trusted", 1.0-1.0/float64(sequence.Count()+1))
sequence.SetAttribute("obicleandb_trusted_on", float64(sequence.Count()))
return obiseq.BioSequenceSlice{sequence}, nil
}
func MakeSequenceFamilyGenusWorker(references obiseq.BioSequenceSlice) obiseq.SeqWorker {
genus := make(map[int]*obiseq.BioSequenceSlice)
family := make(map[int]*obiseq.BioSequenceSlice)
for _, ref := range references {
g, _ := ref.GetIntAttribute("genus_taxid")
f, _ := ref.GetIntAttribute("family_taxid")
gs, ok := genus[g]
if !ok {
gs = obiseq.NewBioSequenceSlice(0)
genus[g] = gs
}
*gs = append(*gs, ref)
fs, ok := family[f]
if !ok {
fs = obiseq.NewBioSequenceSlice(0)
family[f] = fs
}
*fs = append(*fs, ref)
}
f := func(sequence *obiseq.BioSequence) (obiseq.BioSequenceSlice, error) {
sequence.SetAttribute("obicleandb_level", "none")
pval := 0.0
g, _ := sequence.GetIntAttribute("genus_taxid")
sequence.SetAttribute("obicleandb_level", "genus")
gs := genus[g]
indist := make([]float64, 0, gs.Len())
for _, s := range *gs {
if s != sequence {
lca, lali := obialign.FastLCSScore(sequence, s, -1, nil)
indist = append(indist, float64(lali-lca))
}
}
nindist := len(indist)
f, _ := sequence.GetIntAttribute("family_taxid")
fs := family[f]
if nindist < 5 {
sequence.SetAttribute("obicleandb_level", "family")
for _, s := range *fs {
gf, _ := s.GetIntAttribute("genus_taxid")
if g != gf {
lca, lali := obialign.FastLCSScore(sequence, s, -1, nil)
indist = append(indist, float64(lali-lca))
}
}
nindist = len(indist)
}
if nindist > 0 {
next := nindist
if next <= 20 {
next = 20
}
outdist := make([]float64, 0, next)
p := rand.Perm(references.Len())
i := 0
for _, ir := range p {
s := references[ir]
ff, _ := s.GetIntAttribute("family_taxid")
if ff != f {
lca, lali := obialign.FastLCSScore(sequence, s, -1, nil)
outdist = append(outdist, float64(lali-lca))
i += 1
if i >= next {
break
}
}
}
res, err := obistats.MannWhitneyUTest(outdist, indist, obistats.LocationGreater)
if err == nil {
pval = res.P
}
// level, _ := sequence.GetAttribute("obicleandb_level")
// log.Warnf("%s - level: %v", sequence.Id(), level)
// log.Warnf("%s - gdist: %v", sequence.Id(), indist)
// log.Warnf("%s - fdist: %v", sequence.Id(), outdist)
// log.Warnf("%s - pval: %f", sequence.Id(), pval)
}
if pval < 0.0 {
pval = 0.0
}
sequence.SetAttribute("obicleandb_trusted", pval)
return obiseq.BioSequenceSlice{sequence}, nil
}
return f
}
func diagCoord(x, y, n int) int {
if x > y {
x, y = y, x
}
if x == y {
log.Panicf("diagCoord: (%d == %d)", x, y)
}
sn := n * (n - 1) / 2
sx := (n - x) * (n - (1 + x)) / 2
s := sn - sx
return s + y - x - 1
}
func SequenceTrustSlice(sequences obiseq.BioSequenceSlice) (obiseq.BioSequenceSlice, error) {
n := len(sequences)
if n > 1 {
score := make([]float64, n*(n-1)/2)
matrix := make([]uint64, sequences[0].Len()*sequences[0].Len())
for i, sa := range sequences {
for j, sb := range sequences[i+1:] {
lca, lali := obialign.FastLCSScore(sa, sb, -1, &matrix)
score[diagCoord(i, i+1+j, n)] = float64(lca) / float64(lali)
}
}
for i, sa := range sequences {
ss := make([]float64, 0, n-1)
for j, _ := range sequences {
if i == j {
continue
}
s := score[diagCoord(i, j, n)]
if s == 0.0 {
log.Panicf("score[%d, %d] == 0.0", i, j)
}
ss = append(ss, score[diagCoord(i, j, n)])
}
sa.SetAttribute("obicleandb_dist", ss)
}
scoremed := obistats.Median(score)
scorethr := 1 - 3*(1-scoremed)
mednorm := (scoremed - scorethr) / 2.0
for i, s := range score {
switch {
case s < scorethr:
score[i] = -1.0
case s < scoremed:
score[i] = (s-scorethr)/mednorm - 1.0
default:
score[i] = 1.0
}
}
// Tylos
for i, sa := range sequences {
ngroup := float64(sa.Count())
ss := make(map[string]float64, n-1)
sc := sa.Count()
for j, sb := range sequences {
if i == j {
continue
}
ss[sb.Id()] = score[diagCoord(i, j, n)]
sc += sb.Count()
nt, _ := sb.GetFloatAttribute("obicleandb_trusted_on")
ngroup += score[diagCoord(i, j, n)] * nt
}
ngroup = max(0, ngroup)
sa.SetAttribute("obicleandb_trusted", 1.0-1.0/float64(ngroup+1))
sa.SetAttribute("obicleandb_trusted_on", ngroup)
sa.SetAttribute("obicleandb_median", scoremed)
sa.SetAttribute("obicleandb_scores", ss)
}
} else {
sequences[0].SetAttribute("obicleandb_median", 1.0)
}
return sequences, nil
}
func ICleanDB(itertator obiiter.IBioSequence) obiiter.IBioSequence {
var rankPredicate obiseq.SequencePredicate
options := make([]obichunk.WithOption, 0, 30)
// Make sequence dereplication with a constraint on the taxid.
// To be merged, both sequences must have the same taxid.
options = append(options,
obichunk.OptionBatchCount(100),
obichunk.OptionSortOnMemory(),
obichunk.OptionSubCategory("taxid"),
obichunk.OptionsParallelWorkers(
obioptions.CLIParallelWorkers()),
obichunk.OptionsBatchSize(
obioptions.CLIBatchSize()),
obichunk.OptionNAValue("NA"),
)
unique, err := obichunk.IUniqueSequence(itertator, options...)
if err != nil {
log.Fatal(err)
}
taxonomy := obigrep.CLILoadSelectedTaxonomy()
if len(obigrep.CLIRequiredRanks()) > 0 {
rankPredicate = obigrep.CLIHasRankDefinedPredicate()
} else {
rankPredicate = taxonomy.HasRequiredRank("species").And(taxonomy.HasRequiredRank("genus")).And(taxonomy.HasRequiredRank("family"))
}
goodTaxa := taxonomy.IsAValidTaxon(CLIUpdateTaxids()).And(rankPredicate)
usable := unique.FilterOn(goodTaxa,
obioptions.CLIBatchSize(),
obioptions.CLIParallelWorkers())
annotated := usable.MakeIWorker(taxonomy.MakeSetSpeciesWorker(),
false,
obioptions.CLIParallelWorkers(),
).MakeIWorker(taxonomy.MakeSetGenusWorker(),
false,
obioptions.CLIParallelWorkers(),
).MakeIWorker(taxonomy.MakeSetFamilyWorker(),
false,
obioptions.CLIParallelWorkers(),
)
// .MakeIWorker(SequenceTrust,
// false,
// obioptions.CLIParallelWorkers(),
// )
references := annotated.Load()
mannwithney := MakeSequenceFamilyGenusWorker(references)
partof := obiiter.IBatchOver(references,
obioptions.CLIBatchSize())
// genera_iterator, err := obichunk.ISequenceChunk(
// annotated,
// obiseq.AnnotationClassifier("genus_taxid", "NA"),
// )
// if err != nil {
// log.Fatal(err)
// }
// trusted := genera_iterator.MakeISliceWorker(
// SequenceTrustSlice,
// false,
// )
return partof.MakeIWorker(mannwithney, true).Speed("Testing belonging", references.Len())
}