Displaying 3 results from an estimated 3 matches for "minhash".
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minhas
2013 Feb 18
1
questions hash functions
...ou explain to me how to resolve this question:
If this is a matrix:
Element S1 S2 S3 S4
0 0 1 0 1
1 0 1 0 0
2 1 0 0 1
3 0 0 1 0
4 0 0 1 1
5 1 0 0 0
1. How is possible to ompute the minhash signature for each column if
we use the following
three hash functions: h1(x) = 2x + 1 mod 6; h2(x) = 3x + 2 mod 6;
h3(x) = 5x + 2 mod 6.
2. Which of these hash functions are true permutations?
3.How close are the estimated Jaccard similarities for the six pairs of columns
to the true Jaccard sim...
2016 Feb 11
2
inconsistency in treatment of USE.NAMES argument
...164
/sweidnumbr/R/luhn_algo.R:75
/sweidnumbr/R/oin.R:104
/sweidnumbr/R/oin.R:134
/sweidnumbr/R/pin.R:202
/sweidnumbr/R/pin.R:440
/taxize/R/gni_parse.R:29
/taxize/inst/ignore/taxonclass.R:117
/taxize/inst/ignore/taxonclass2.R:157
/testthat/R/utils.r:13
/textreuse/R/TextReuseCorpus.R:137
/textreuse/R/minhash.R:46
/textreuse/R/similarity.R:111
/tidyr/R/id.R:17
On Tue, Feb 9, 2016 at 3:37 AM, Martin Maechler
<maechler at stat.math.ethz.ch> wrote:
>>>>>> Herv? Pag?s <hpages at fredhutch.org>
>>>>>> on Mon, 8 Feb 2016 10:48:50 -0800 writes:
>
>...
2016 Feb 08
2
inconsistency in treatment of USE.NAMES argument
Hi,
Both vapply() and sapply() support the 'USE.NAMES' argument. According
to the man page:
USE.NAMES: logical; if ?TRUE? and if ?X? is character, use ?X? as
?names? for the result unless it had names already.
But if 'X' has names already and 'USE.NAMES' is FALSE, it's not clear
what will happen to the names. Are they going to propagate to the
result