fayimora

/**
The MIT License (MIT)

Copyright (c) 2013 Jean Helou

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is

fayimora

import pandas as pd
from ggplot import *
from sklearn.datasets import fetch_20newsgroups
from sklearn.metrics import roc_curve

# vectorizer
from sklearn.feature_extraction.text import HashingVectorizer

# our classifiers
from sklearn.naive_bayes import BernoulliNB, MultinomialNB

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module HMM

using Distributions

import Distributions.rand
import Distributions.fit

immutable HiddenMarkovModel{TP, K}
    theta::Vector{TP}
    A::Matrix{Float64}

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def stochastic_linear_gradient_descent(X, y, theta, alpha, tolerance):
    converged = False
    prev_cost = 0
    n_samples = X.shape[0]
    while not converged:
        # use xrange so you dont have to generate the entire range of numbers
        for i in xrange(n_samples):
            # you have to sample x and y together
            # FYI, using one example at a time can be super slow.
            # you might want to consider using batches which should converge quicker

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from django.contrib.sessions.backends.base import SessionBase, CreateError
from django.conf import settings
from django.utils.encoding import force_unicode
import redis

class SessionStore(SessionBase):
    """ Redis store for sessions"""

    def __init__(self, session_key=None):
        self.redis = redis.Redis(

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{
import javax.sound.midi._
val  synth = MidiSystem.getSynthesizer()
synth.open()
def note(i: Int) = {
  val channels = synth.getChannels()
  channels(0).noteOn(i, 100)
  Thread.sleep(250)
  channels(0).noteOff(i)
}

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# Ways to execute a shell script in Ruby
# Example Script - Joseph Pecoraro

cmd = "echo 'hi'" # Sample string that can be used

# 1. Kernel#` - commonly called backticks - `cmd` 
# This is like many other languages, including bash, PHP, and Perl
#  Returns the result of the shell command
#  Docs: http://ruby-doc.org/core/classes/Kernel.html#M001111

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class Role < ActiveRecord::Base

  ROLES = [ :group_admin, :agency_admin ]

  # - Relationships -
  has_many :user_roles
  has_many :users, :through => :user_roles

  # - Class Methods -
  class << self

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class Post < ActiveRecord::Base
  has_many :tag_links, :as => :tags

  # ...
end

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class Post < ActiveRecord::Base
  has_many :tag_links
  has_many :tags, :through => :tag_links

  # ...
end