Accurate, high-resolution sample inference from amplicon sequencing data


[Up] [Top]

Documentation for package ‘dada2’ version 0.99.10

Help Pages

dada2-package DADA2 package
assignTaxonomy Classifies sequences against reference training dataset.
collapseNoMismatch Combine together sequences that are identical up to shifts and/or length.
dada High resolution sample inference from amplicon data.
dada-class The object class returned by 'dada'
derep-class A class representing dereplicated sequences
derepFastq Read in and dereplicate a fastq file.
errBalancedF An empirical error matrix.
errBalancedR An empirical error matrix.
errExtremeF An empirical error matrix.
errExtremeR An empirical error matrix.
errHmpF An empirical error matrix.
errHmpR An empirical error matrix.
evaluate_kmers Generate the kmer-distance and the alignment distance from the given set of sequences.
fastqFilter Filter and trim a fastq file.
fastqPairedFilter Filters and trims paired forward and reverse fastq files.
getDadaOpt Get DADA options
getSequences Get vector of sequences from input object.
getUniques Get the uniques-vector from the input object.
inflateErr Inflates an error rate matrix by a specified factor, while accounting for saturation.
isBimera Determine if input sequence is a bimera of putative parent sequences.
isBimeraDenovo Identify bimeras from collections of unique sequences.
isPhiX Determine if input sequence(s) match the phiX genome.
isShiftDenovo Identify sequences that are identical to a more abundant sequence up to an overall shift.
loessErrfun Use a loess fit to estimate error rates from transition counts.
makeSequenceTable Construct a sample-by-sequence observation matrix.
mergePairs Merge denoised forward and reverse reads.
mergePairsByID Merge forward and reverse reads after DADA denoising, even if reads were not originally ordered together.
nwalign Needlman-Wunsch alignment.
nwhamming Hamming distance after Needlman-Wunsch alignment.
plotComplementarySubstitutions Plot Substitution Pairs from DADA Result
plotErrors Plot observed error rates after denoising.
plotQualityProfile Plot quality profile of a fastq file.
removeBimeraDenovo Remove bimeras from collections of unique sequences.
setDadaOpt Set DADA options
show-method method extensions to show for dada2 objects.
tperr1 An empirical error matrix.
uniques-vector The named integer vector format used to represent collections of unique DNA sequences.
uniquesToFasta Write a uniques vector to a FASTA file