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Questions tagged
subset
20 questions
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19
votes
7
answers
R selecting all rows from a data frame that don't appear in another
r
dataframe
subset
asked 2013-07-02T14:13:37.280
26
votes
1
answers
Why does R use partial matching?
r
subset
semantics
argument-matching
asked 2013-01-04T08:53:17.760
163
votes
4
answers
Selecting data frame rows based on partial string match in a column
r
regex
string
match
subset
asked 2012-10-24T06:25:55.477
14
votes
1
answers
Subsetting R array: dimension lost when its length is 1
r
subset
asked 2012-10-05T23:42:46.817
62
votes
6
answers
Selecting columns in R data frame based on those *not* in a vector
r
dataframe
subset
asked 2012-08-31T02:16:05.100
8
votes
7
answers
Function for median similar to "which.max" and "which.min" / Extracting median rows from a data.frame
r
dataframe
subset
asked 2012-04-21T05:30:43.580
8
votes
4
answers
c++: Select a subset of a std::vector, based predefined element indices
c++
performance
vector
sample
subset
asked 2012-03-10T22:20:05.013
8
votes
2
answers
Subset multiple columns in R - more elegant code?
r
subset
asked 2012-03-09T21:49:04.857
178
votes
21
answers
How to check if one dictionary is a subset of another larger dictionary?
python
dictionary
filter
subset
asked 2012-02-17T06:15:30.370
24
votes
4
answers
Generate all subsets of size k (containing k elements) in Python
python
set
tuples
subset
asked 2011-09-11T12:30:59.843
9
votes
4
answers
Retrieving a Subset of Fields from MongoDB in Ruby
ruby
mongodb
subset
asked 2011-05-25T18:47:34.060
13
votes
4
answers
Subset a data frame based on column entry (or rank)
r
subset
asked 2011-04-27T13:55:34.473
28
votes
2
answers
Using multiple criteria in subset function and logical operators
r
subset
logical-operators
operator-precedence
asked 2011-04-26T17:54:00.413
48
votes
10
answers
Find all possible subset combos in an array?
javascript
arrays
subset
asked 2011-04-22T03:28:28.050
206
votes
3
answers
How can I get the intersection, union, and subset of arrays in Ruby?
ruby
union
intersection
subset
asked 2011-04-15T14:18:17.183
384
votes
13
answers
How to drop columns by name in a data frame
r
dataframe
subset
asked 2011-03-08T14:56:26.070
21
votes
5
answers
Subsets in Prolog
list
prolog
set
subset
asked 2011-02-06T11:01:31.683
24
votes
3
answers
how do I grep in R?
r
subset
asked 2010-11-18T23:14:16.813
11
votes
6
answers
minimum difference between sum of two subsets
algorithm
dynamic-programming
subset
asked 2010-11-18T05:54:06.987
17
votes
3
answers
Ruby: Array contained in Array, any order
ruby
arrays
function
subset
asked 2010-10-09T19:19:01.877