Questions about combinatorics
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Finding feasible combinations in dataframe R / combinatorics
I have the following challenge:
dataframe with 218 observations (rows) and 218 variables (cols).
The values are either TRUE or FALSE.
Now i need to find combinations of variables (cols) that appear (T...
RuddThreeTrees
Votes: 0
Answers: 1
How do you sort sets in such a way that changes between consecutive sets are minimized according to an element transition cost ordering?
To formalize a bit: say we have an ordered list of sets, such that each set in the list is a subset of the set S. Next, we say if a consecutive pair of sets in the ordering has an element included in ...
brubsby
Votes: 0
Answers: 2
Combination recursive - Backtracking
I've been trying to code 3 different recursive function(Backtracking). The first one should show all permutations(orders doesn't matters) and there's a specif size. The second one should show all cycl...
Sule26
Votes: 0
Answers: 0
Find the closest that a set of values occur in a list?
I am writing a search algorithm for text documents. The algorithm takes a set of keywords and returns those documents which closely match the provided set of keywords -- like a web search engine.
Righ...
Danya02
Votes: 0
Answers: 1