matching Questions
1
I am running a matching procedure in R, using the MatchIt package. I use propensity score match, that is: estimate treatment selection by logit, and pick the nearest match.
The dataset is huge (4...
Collinsworth asked 16/4, 2015 at 10:31
6
Solved
What's a good algorithm to solve this problem?
I have three groups of people - group A, group B, and group C. There are the same number of people in each group. They each have a list of people in ...
Toboggan asked 17/11, 2008 at 0:57
2
Solved
I'm trying to understand how the rsync algorithm works with respect to rolling checksums and blocks that match in a staggered fashion.
The wikipedia page seems to suggest that the sender and recei...
6
I am using Ubuntu 12.04. I recently installed OpenCV 3.0 from https://github.com/Itseez/opencv/archive/3.0.0-alpha.zip. I want to do feature matching for which I used the following code:
import nu...
Invoice asked 9/9, 2014 at 2:16
2
Take two character strings in C or C++, s1 and s2. It is rather trivial to check if one contains the other exactly.
The following will return true in case s2 is a substring of s1.
In C:
strstr(s1, ...
2
I have a fuzzy string matching problem of multiple dimensions:
Assume I have a pandas dataframe which contains the variables "Company name", "Ticker" and "Country". A simplified subset may look li...
1
Some weeks ago I've implemented a simple block matching stereo algorithm but the results had been bad. So I've searched on the Internet to find better algorithms. There I found the semi global matc...
Madonia asked 9/11, 2015 at 18:30
5
Solved
Will Java 8 support pattern matching like Scala and other functional programs do? I'm putting a presentation together of Java 8's Lambda features. I can't find anything on this particular Functiona...
2
Solved
I have a Vec of values and want to filter those that match a certain pattern.
What is the idiomatic way to just check if an expression matches a pattern, without necessarily doing something with th...
Polyhymnia asked 9/4, 2020 at 18:8
5
I have a string for example "ab ad adk fda kla kad ab ab kd". I want to get all range of ab.(Here ab is present at 3 position so I should get 3 range).In normal scenarion my code is working fine, b...
9
Solved
What is the best way to match fully qualified Java class name in a text?
Examples: java.lang.Reflect, java.util.ArrayList, org.hibernate.Hibernate.
Rimmer asked 5/3, 2011 at 17:9
3
Solved
I use grep very often and am familiar with it's ability to return matching lines (by default) and non-matching lines (using the -v parameter). However, I want to be able to grep a file once to sepa...
Featly asked 3/4, 2013 at 13:50
2
4
Solved
imagine that we use pagination to split and display a mysql result like this,
sorted on auto inceremental ID and date:
SELECT name FROM members ORDER BY id DESC, date DESC LIMIT $start, $len
we ...
Suburbanize asked 9/9, 2013 at 8:28
1
Solved
I'm new to Rust (1.31) and I would like to understand a simple piece of code that does not compile:
fn main() {
s = String::from("foo");
match s {
"foo" => {
println!("Yes");
}
_ =&...
1
Solved
I need 3-way-merge of xml file, for this I am using kdiff3. The problem I am facing with kdiff3 is whenever there is the conflict in merging, kdiff3 is opening the kdiff3-GUI tool and ask to resolv...
5
Solved
Is it possible to match a range of values in Scala?
For example:
val t = 5
val m = t match {
0 until 10 => true
_ => false
}
m would be true if t was between 0 and 10, but false otherwi...
Croissant asked 28/8, 2009 at 10:18
4
Solved
I would like to create a so-called matching vector consisting of binaries. All numbers should be zero unless elements belong to the same variable.
Here's an example:
dataset=("a","b","c","d","x",...
5
Solved
I am working on two large data sets, and my question is as follows.
Suppose I have two lists:
list1 = [A,B,C,D]
list2 = [B,D,A,G]
How can I efficiently find the matching index, using Python, ot...
3
Solved
I'm learning to use the networkx python module to do some matchings of a bipartite graph. There are two functions in the module that give the maximum cardinality matching of a graph:
nx.maximal_m...
5
Solved
I want to overwrite my df1.Name values based on a mapping table in (df2.Name1, df2.Name2). However, not all values in df1.Name exist in df2.Name1
df1:
Name
Alex
Maria
Marias
Pandas
Coala
df2:
...
Apuleius asked 15/1, 2018 at 19:58
2
Solved
consider I have two vectors. One is a reference vector/list that includes all values of interest and one samplevector that could contain any possible value. Now I want to find matches of my sample ...
9
I want to find words that appear after a keyword (specified and searched by me) and print out the result. I know that i am suppose to use regex to do it, and i tried it out too, like this:
i...
2
Solved
I have a problem with my FrameLayout (Container in Drawer Layout). The height of the FrameLayout exceeds the screen height (below the android default menu buttons at bottom).
<android.support.d...
Singletree asked 18/9, 2015 at 11:2
2
Solved
Assume a multi-line text file file in which some lines start with whitespaces.
$ cat file
foo Baz
baz QUX
QUx Quux
BaZ Qux
BazaaR
Further assume that I wish to convert all those lines that sta...
Cabaret asked 5/7, 2017 at 15:59
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