albertotb

import math
from typing import Tuple

def pair_negative(x: int) -> int:
    return 2 * x if x >= 0 else -2 * x - 1

def unpair_negative(z: int) -> int:
    return int(z / 2) if z % 2 == 0 else int((z + 1) / -2)
    
def pair_szudzik(x: int, y: int) -> int:

albertotb

remark.macros.scale = function (percentage) {
  var url = this;
  return '<img src="' + url + '" style="width: ' + percentage + '" />';
};

remark.macros.vspace = function (percentage) {
  return `<div style="height: ${percentage}%"></div>`
};

remark.macros.centerScale = function (percentage) {

albertotb

if __name__ == "__main__":

  if len(sys.argv) < 3 or len(sys.argv) > 4:
    print "usage: {0} TRAIN TEST VAL".format(sys.argv[0])
    sys.exit(1)
 
  train = np.loadtxt(sys.argv[1])
  test = np.loadtxt(sys.argv[2])
  val = np.loadtxt(sys.argv[3])

albertotb

#!/usr/bin/env julia

soft_thresholding(x, α) = sign(x).*max(abs(x)-α, 0)

function lasso(X, y, λ, maxiter=10000, tol=1e-9)

   keep_going = true
   (n, m) = size(X)

   G = X'*X

albertotb

import time
import numpy as np
from scipy import linalg, io, sparse
import matplotlib.pyplot as plt

from sklearn.externals.joblib import Memory
from sklearn.linear_model import lasso_path
from sklearn.datasets.mldata import fetch_mldata
from sklearn import datasets

albertotb

[I 11:41:27.812 NotebookApp] Using existing profile dir: u''
[I 11:41:27.818 NotebookApp] Using MathJax: 
[I 11:41:27.846 NotebookApp] Serving notebooks from local directory: 
[I 11:41:27.846 NotebookApp] 0 active kernels 
[I 11:41:27.846 NotebookApp] The IPython Notebook is running at: https://[all ip addresses on your system]:9999/
[I 11:41:27.846 NotebookApp] Use Control-C to stop this server and shut down all kernels (twice to skip confirmation).
[I 11:41:36.389 NotebookApp] 302 GET / () 0.67ms
[I 11:41:40.188 NotebookApp] Creating new notebook in 
[E 11:41:40.199 NotebookApp] Error while saving file: Untitled.ipynb disk I/O error
    Traceback (most recent call last):

albertotb

[I 2015-04-10 19:04:23.453 JupyterHub app:515] Loading cookie_secret from /home/alberto/jupyterhub-master/jupyterhub_cookie_secret
[W 2015-04-10 19:04:23.502 JupyterHub app:251] 
    Generating CONFIGPROXY_AUTH_TOKEN. Restarting the Hub will require restarting the proxy.
    Set CONFIGPROXY_AUTH_TOKEN env or JupyterHub.proxy_auth_token config to avoid this message.
    
[I 2015-04-10 19:04:23.703 JupyterHub app:608] Not using whitelist. Any authenticated user will be allowed.
[I 2015-04-10 19:04:23.719 JupyterHub app:743] Starting proxy @ http://*:9000/
19:04:24.200 - info: [ConfigProxy] Proxying http://*:9000 to http://localhost:8081
19:04:24.202 - info: [ConfigProxy] Proxy API at http://localhost:9001/api/routes
[I 2015-04-10 19:04:24.296 JupyterHub app:1008] Hub API listening on http://localhost:8081/hub/

albertotb

[E 20:32:59.036 NotebookApp] Error while saving file: /Untitled.ipynb disk I/O error 
    Traceback (most recent call last):
      File "/scratch/gaa/local/src/anaconda/lib/python2.7/site-packages/IPython/html/services/contents/filemanager.py", line 383, in save
        self.check_and_sign(nb, path) 
      File "/scratch/gaa/local/src/anaconda/lib/python2.7/site-packages/IPython/html/services/contents/manager.py", line 428, in check_and_sign
        self.notary.sign(nb)
      File "/scratch/gaa/local/src/anaconda/lib/python2.7/site-packages/IPython/nbformat/sign.py", line 248, in sign
        self.store_signature(signature, nb)
      File "/scratch/gaa/local/src/anaconda/lib/python2.7/site-packages/IPython/nbformat/sign.py", line 251, in store_signature
        if self.db is None: 

albertotb

Warning: git information unavailable; versioning information limited
Warning: git information unavailable; versioning information limited
Warning: git information unavailable; versioning information limited
which: no patchelf in (/scratch/gaa/local/bin:/usr/local/bin:/usr/bin:/bin:/usr/local/slurm-2.4.3/bin:/scratch/gaa/local/src/libsvm-3.18)
/scratch/gaa/local/src/julia-v0.3.0/deps/openblas-v0.2.10/lapack/laswp/x86_64
/scratch/gaa/local/src/julia-v0.3.0/deps/openblas-v0.2.10/lapack/laswp/x86_64
/scratch/gaa/local/src/julia-v0.3.0/deps/openblas-v0.2.10/lapack/laswp/x86_64
/scratch/gaa/local/src/julia-v0.3.0/deps/openblas-v0.2.10/lapack/laswp/x86_64
/scratch/gaa/local/src/julia-v0.3.0/deps/openblas-v0.2.10/lapack/laswp/x86_64
/scratch/gaa/local/src/julia-v0.3.0/deps/openblas-v0.2.10/lapack/laswp/x86_64

albertotb

This file contains any messages produced by compilers while
running configure, to aid debugging if configure makes a mistake.

It was created by LLVM configure 3.3, which was
generated by GNU Autoconf 2.60.  Invocation command line was

  $ ../configure --prefix=/scratch/gaa/local/src/julia-v0.3.0/usr --build=x86_64-redhat-linux --libdir=/scratch/gaa/local/src/julia-v0.3.0/usr/lib F77=gfortran -m64 CC=gcc -m64 CXX=g++ -m64 --disable-profiling --enable-shared --enable-static --enable-targets=host --disable-bindings --disable-docs --disable-assertions --enable-optimized --disable-threads --with-python=/scratch/gaa/local/src/anaconda/bin/python

## --------- ##
## Platform. ##