Top "Subset" questions

A subset consists of those elements selected from a larger set of elements, by their position in the larger set or other features, such as their value.

Finding all the subsets of a set

I need an algorithm to find all of the subsets of a set where the number of elements in a …

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c++ algorithm math subset
How can I get the intersection, union, and subset of arrays in Ruby?

I want to create different methods for a class called Multiset. I have all the required methods, but I'm unsure …

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ruby union intersection subset
R Not in subset

Possible Duplicate: Standard way to remove multiple elements from a dataframe I know in R that if you are searching …

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r subset
How to plot a subset of a data frame in R?

Is there a simple way to do this in R: plot(var1,var2, for all observations in the data frame …

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r plot subset
creating a new list with subset of list using index in python

A list: a = ['a', 'b', 'c', 3, 4, 'd', 6, 7, 8] I want a list using a subset of a using a[0:2],a[4], a[6:], …

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python list indexing subset
Subset data.frame by date

I have a dataset called EPL2011_12. I would like to make new a dataset by subsetting the original by date. …

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r date subset
Using grep to help subset a data frame in R

I am having trouble subsetting my data. I want the data subsetted on column x, where the first 3 characters begin …

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r dataframe subset
Subset a dataframe by multiple factor levels

How can I avoid using a loop to subset a dataframe based on multiple factor levels? In the following example …

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r subset
Why is `[` better than `subset`?

When I need to filter a data.frame, i.e., extract rows that meet certain conditions, I prefer to use …

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r filter subset r-faq
Split/subset a data frame by factors in one column

My data is like this (for example): ID Rate State 1 24 AL 2 35 MN 3 46 FL 4 34 AL 5 78 MN 6 99 FL Data: structure(list(ID = 1:6, …

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r subset