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@bwhite
bwhite / rank_metrics.py
Created September 15, 2012 03:23
Ranking Metrics
"""Information Retrieval metrics
Useful Resources:
http://www.cs.utexas.edu/~mooney/ir-course/slides/Evaluation.ppt
http://www.nii.ac.jp/TechReports/05-014E.pdf
http://www.stanford.edu/class/cs276/handouts/EvaluationNew-handout-6-per.pdf
http://hal.archives-ouvertes.fr/docs/00/72/67/60/PDF/07-busa-fekete.pdf
Learning to Rank for Information Retrieval (Tie-Yan Liu)
"""
import numpy as np
@westurner
westurner / setup_pandas_notebook.sh
Created July 29, 2012 07:53
Setup IPython Notebook and Pandas for OSX
#!/bin/sh
setup_brew () {
if ![-f "/usr/local/bin/brew"]; then
/usr/bin/ruby -e "$(/usr/bin/curl -fsSL https://raw.github.com/mxcl/homebrew/master/Library/Contributions/install_homebrew.rb)"
fi
}
setup_ipython () {
brew install readline
import java.io.*;
import java.util.*;
class Biostar45366
{
private BufferedReader in;
private String buffer;
private Map<String,Term> id2term=new HashMap<String,Term>();
private class Term
@wadouk
wadouk / bashrc.sh
Created March 29, 2012 08:26
Maven console in color
PURPLE=$(echo -en "\033[35m")
GREEN=$(echo -en "\033[32m")
RED=$(echo -en "\033[31m")
YELLOW=$(echo -e "\033[33m")
BLUE=$(echo -e "\033[1;34m")
NORMAL=$(echo -e "\033[0m")
mvn2() {
mvn $* | sed \
-e "s/^\(.ERROR. .*\)$/$RED\1$NORMAL/ ; #contain ERROR start 2nd char
@Serabe
Serabe / gist:1699686
Created January 29, 2012 17:13 — forked from timothyekl/gist:1217887
Cross-platform: recompile LaTeX documents using Ruby, Guard
# Tested with Ruby 1.9
# Needs gem "guard" (https://github.com/guard/guard)
# Needs gem "guard-shell" (https://github.com/guard/guard-shell)
# Uses process "growlnotify" (http://growl.info/extras.php)
# Uses process "pdflatex" from standard TeXLive distribution
guard 'shell' do
watch(%r{(.+)\.tex}) do |m|
`growlnotify -m #{m[0]} Recompiling`
`pdflatex -interaction=batchmode #{m[0]} >/dev/null`
@alexbowe
alexbowe / nltk-intro.py
Created March 21, 2011 12:59
Demonstration of extracting key phrases with NLTK in Python
import nltk
text = """The Buddha, the Godhead, resides quite as comfortably in the circuits of a digital
computer or the gears of a cycle transmission as he does at the top of a mountain
or in the petals of a flower. To think otherwise is to demean the Buddha...which is
to demean oneself."""
# Used when tokenizing words
sentence_re = r'''(?x) # set flag to allow verbose regexps
([A-Z])(\.[A-Z])+\.? # abbreviations, e.g. U.S.A.
@banksean
banksean / mersenne-twister.js
Created February 10, 2010 16:24
a Mersenne Twister implementation in javascript. Makes up for Math.random() not letting you specify a seed value.
/*
I've wrapped Makoto Matsumoto and Takuji Nishimura's code in a namespace
so it's better encapsulated. Now you can have multiple random number generators
and they won't stomp all over eachother's state.
If you want to use this as a substitute for Math.random(), use the random()
method like so:
var m = new MersenneTwister();