search for: atcg

Displaying 4 results from an estimated 4 matches for "atcg".

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2010 Dec 21
3
Performing basic Multiple Sequence Alignment in R?
...CTAACT--CGCTGCG CGCAATACTAACCACTAACTCGCTGCG 5 CGCACGGGTAAGAACGTGA-TTACGCTCAG CGCACGGGTAAGAACGTGATTACGCTCAG 6 CGCTATACTAACAA-GTG-CTTAGGC-CTG CGCTATACTAACAAGTGCTTAGGCCTG 7 CCCA-C-CTAA-ACGGTGACTTACGCTCCG CCCACCTAAACGGTGACTTACGCTCCG Here is an example code to reproduce the above example: ATCG <- c("A","T","C","G") set.seed(40) original.seq <- sample(ATCG, 30, T) seqS <- matrix(original.seq,200,30, T) change.letters <- function(x, number.of.changes = 15, letters.to.change.with = ATCG) { number.of.changes <- sample(seq_len(num...
2010 Nov 17
2
Bug in agrep computing edit distance?
I posted this yesterday to r-help and Ben Bolker suggested reposting it here... Dickison, Daniel <ddickison <at> carnegielearning.com> writes: > > The documentation for agrep says it uses the Levenshtein edit distance, > but it seems to get this wrong in certain cases when there is a > combination of deletions and substitutions. For example: > > >
2003 Oct 30
0
Release of Bioconductor 1.3
...port for design and contrast matrices, new fitted model object class, within-gene multiple testing, Venn diagrams and generally a move to a simpler command style at the user level. --- matchprobes: A new package providing tools for working with probe sequence information: calculate ATCG content, reverse, complement, mismatch sequences; fast exact sequence matching; combine AffyBatches of different chip types; create probe data packages. --- Measurement.cor: A package to fit a two-level measurement error model for estimation of correlation coefficient between two ra...
2003 Oct 30
0
Release of Bioconductor 1.3
...port for design and contrast matrices, new fitted model object class, within-gene multiple testing, Venn diagrams and generally a move to a simpler command style at the user level. --- matchprobes: A new package providing tools for working with probe sequence information: calculate ATCG content, reverse, complement, mismatch sequences; fast exact sequence matching; combine AffyBatches of different chip types; create probe data packages. --- Measurement.cor: A package to fit a two-level measurement error model for estimation of correlation coefficient between two ra...