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#!/bin/bash | |
GIST_RECV_URL=http://gist.github.com/%s.txt; | |
GIST_POST_URL=http://gist.github.com/gists; | |
GIST_DEL_URL=http://gist.github.com/delete; | |
GIST_DESC_URL=http://gist.github.com/gists/%s/update_description; | |
GITHUB_USER=`git config --global github.user | tr -d \\n`; | |
GITHUB_TOKEN=`git config --global github.token | tr -d \\n`; | |
GETINDEX="gistfile1"; |
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# Time-stamp: <2010-08-09 12:10:54 chl> | |
# | |
# Some illustrations of splines fitting. | |
# | |
# The example used throughout this script comes from | |
# Kooperberg & LeBlanc, Multivariate Nonparametric Regression, | |
# in _High-Dimensional Data Analysis in Cancer Research_ | |
# (Ed. X. Li and R. Xu), Chapter 3, p. 45. | |
# |
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# Time-stamp: <2010-08-10 11:51:15 chl> | |
# | |
# Illustration of LASSO penalization in multiple regression. | |
# | |
# The exemple is largely inspired from Harezlak, Tchetgen | |
# and Li, Variable selection in regression -- Estimation, | |
# Prediction, Sparsity, Inference, | |
# in _High-Dimensional Data Analysis in Cancer Research_ | |
# (Ed. X. Li and R. Xu), Chapter 2, pp. 13--33. |
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class Stack: | |
def __init__(self): | |
self.items = [] | |
def isEmpty(self): | |
return self.items == [] | |
def push(self, item): | |
self.items.append(item) | |
def pop(self): | |
return self.items.pop() | |
def peek(self): |
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#!/usr/bin/env ruby | |
require("gsl") | |
x = 2.0 | |
P = GSL::Cdf::ugaussian_P(x); | |
printf("prob(x < %f) = %f\n", x, P); | |
Q = GSL::Cdf::ugaussian_Q(x); | |
printf("prob(x > %f) = %f\n", x, Q); |
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#! /usr/bin/env ruby | |
require 'statsample' | |
sample=200 | |
a=sample.times.collect {rand}.to_scale | |
b=sample.times.collect {rand}.to_scale | |
c=sample.times.collect {rand}.to_scale | |
d=sample.times.collect {rand}.to_scale | |
ds={'a'=>a,'b'=>b,'c'=>c,'d'=>d}.to_dataset |
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#include <stdio.h> | |
#include <stdlib.h> | |
#include <unistd.h> | |
#include <sys/types.h> | |
#include <sys/stat.h> | |
#include <fcntl.h> | |
int main(void) { | |
char * line = NULL; | |
size_t len = 0; |
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#!/usr/bin/env python | |
from pylab import * | |
dt = 0.0005 | |
t = arange(0.0, 20.0, dt) | |
s1 = sin(2*pi*100*t) | |
s2 = 2*sin(2*pi*400*t) | |
# create a transient "chirp" | |
mask = where(logical_and(t>10, t>12), 1.0, 0.0) |
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cronbach.alpha <- function(data, na.action="omit", signif.level=.05) { | |
# computes Cronbach's Alpha | |
# * Input * | |
# data : a n*k matrix, where each column hold one item responses' | |
# vector | |
# na.action : if "omit", then handle missing value in cov/var | |
# calculation [default] | |
# signif.level : type I error | |
# * Output * | |
# a list with statistic and confidence interval |
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import graph; | |
import patterns; | |
size(300,200,IgnoreAspect); | |
real xmin=-4,xmax=4; | |
real ymin=0,ymax=1; | |
real PI=3.141593; | |
real sd=.6; | |
int a=-1, b=1; |
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