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Questions - matching

Matching with multi-level multiple membership data

I am designing a within multi-level study in which my data has both nested and multiple-membership structure. The subjects are multimembers of V1 and also are nested in V2.The subjects are all from on...
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user1175940

nested

matching

multilevel-analysis

Votes: 0

Answers: 1

Latest Answer

Without knowing more about your concrete use case, it's hard to recommend specific sources. But check out "cross-classified multilevel analysis". I think that's what you're referring to.
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guest

Create a column value based on a matching regular expression

I have the following character string in a column called "Sentences" for a df: I like an apple I would like to create a second column, called Type, whose values are determined by matching st...
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Cameron

r

regex

string

dataframe

matching

Votes: 0

Answers: 1

Latest Answer

I want to do this with a Python dictionary, but we're talking about R, so I've more or less translated the approach. There is probably a more idiomatic way to do this in R than two for loops, but this...
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SamR

R regex match beginning and middle of a string

I have a vector of strings: A <- c("Hello world", "Green 44", "Hot Beer", "Bip 6t") I want to add an asterisk (*) at the beginning and at the end of every f...
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Stef

r

regex

string

matching

Votes: 0

Answers: 2

Latest Answer

You were almost there str_replace(A, "(^.*) ", "*\\1* ") #> [1] "*Hello* world" "*Green* 44" "*Hot* Beer" "*Bip* 6t"
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Allan Cameron

Ordering that maximizes pair-wise matches between two numpy arrays

Let's say we have two one-dimensional numpy arrays v1 and v2. The arrays are of equal length. The dtype of the arrays is '<U1' in this case. The two arrays may or may not have common items. In each...
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user999605

python

numpy

sorting

matching

Votes: 0

Answers: 1

Latest Answer

Just find pairs and align them and then distribute rest elements (indexes) any way you like. from contextlib import suppress import numpy as np def index(vs, v): with suppress(IndexError): ...
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mugiseyebrows

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