caiorss’s gists

caiorss / PCA.fsx

Created October 4, 2016 01:21 — forked from MartinBodocky/PCA.fsx

PCA with Accord.Net and FSharp.Charting

	// Inspired by http://arxiv.org/abs/1210.7463

	// reference accord framework
	#r "../packages/Accord.3.0.2/lib/net45/Accord.dll"
	#r "../packages/Accord.Controls.3.0.2/lib/net45/Accord.Controls.dll"
	#r "../packages/Accord.IO.3.0.2/lib/net45/Accord.IO.dll"
	#r "../packages/Accord.Math.3.0.2/lib/net45/Accord.Math.dll"
	#r "../packages/Accord.Statistics.3.0.2/lib/net45/Accord.Statistics.dll"

	//reference deelde with fsharp charting

caiorss / msft.csv

Created October 4, 2016 01:23 — forked from gavlooth/msft.csv

Date	Open	High	Low	Close	Volume	Adj Close
2013-11-07	37.96	38.01	37.43	37.50	60437400	37.50
2013-11-06	37.24	38.22	37.06	38.18	88615100	38.18
2013-11-05	35.79	36.71	35.77	36.64	51646300	36.64
2013-11-04	35.59	35.98	35.55	35.94	28060700	35.94
2013-11-01	35.67	35.69	35.39	35.53	40264600	35.53
2013-10-31	35.66	35.69	35.34	35.41	41682300	35.41
2013-10-30	35.53	35.79	35.43	35.54	36997700	35.54
2013-10-29	35.63	35.72	35.26	35.52	31702200	35.52
2013-10-28	35.61	35.73	35.27	35.57	38383600	35.57

caiorss / accord.fs

Created October 4, 2016 01:25 — forked from isaacabraham/accord.fs

accord on f#?

	open Accord.MachineLearning.FSharp
	open Deedle

	let data = [ ("D1", "Sunny", "Hot", "High", "Weak", "No" )
	("D2", "Sunny", "Hot", "High", "Strong", "No" )
	("D3", "Overcast", "Hot", "High", "Weak", "Yes")
	("D4", "Rain", "Mild", "High", "Weak", "Yes")
	("D5", "Rain", "Cool", "Normal", "Weak", "Yes")
	("D6", "Rain", "Cool", "Normal", "Strong", "No" )
	("D7", "Overcast", "Cool", "Normal", "Strong", "Yes")

caiorss / MOption.scala

Created October 25, 2016 01:29 — forked from ElectricCoffee/MOption.scala

Adds map and flatMap as extension methods to Scala, for those who don't want/need scalaz for their project, is fully compatible with for-comprehensions

	package extension.monad

	trait Monad[A, M[_]] {
	// >>= :: Monad m => m a -> (a -> m b) -> m b
	def flatMap[B](input: A => M[B]): M[B] // AKA "bind"
	}

	trait Functor[A, F[_]] {
	// fmap :: Functor f => (a -> b) -> f a -> f b
	def map[B](input: A => B): F[B] // AKA "fmap"

caiorss / scala-by-example-exercise-6.0.3.scala

Created October 25, 2016 01:30 — forked from jackfarrington/scala-by-example-exercise-6.0.3.scala

Scala By Example exercise 6.0.3

	/*
	* The trait Nat is provided by the text.
	*/
	trait Nat {
	def isZero: Boolean
	def predecessor: Nat
	def successor: Nat
	def +(that: Nat): Nat
	def -(that: Nat): Nat

caiorss / PaypalTransaction.scala

Created October 25, 2016 01:31 — forked from mslinn/PaypalTransaction.scala

Attempt to persist entities with >22 fields via Slick. Cannot find documentation on how nested tuples are supposed to work; tried creating two helper classes (CustomerAddress and PaymentDetail). Compiler error is: scala: overloaded method value <> with alternatives: [R(in method <>)(in method <>)(in method <>)(in method <>)(in method <>)(in meth…

	package com.micronautics.paypal

	import java.util.{ List, Map }
	import collection.JavaConversions._
	import collection.immutable.HashMap
	import controllers.Email
	import org.joda.time.DateTime
	import slick.driver.MySQLDriver.simple._
	import java.util

caiorss / gist:8fba13edceced894f7143b80fa10e62d

Created October 25, 2016 01:32 — forked from krishnanraman/gist:4759672

Tony Morris class

	// And by the way, please feel free to contribute, correct errors, etc!

	trait Functor[F[_]] {
	def fmap[A, B](f: A => B): F[A] => F[B]
	}

	object Functor {
	val ListFunctor: Functor[List] =
	new Functor[List] {
	def fmap[A, B](f: A => B) =

caiorss / gist:c8a2ea2a884885af61d94032befe1a76

Created October 25, 2016 01:41 — forked from derekmorr/gist:dd2ae28fdd5aced2d727

Structural typing in Scala

	case class Circle(radius: Double) {
	def area = radius * radius * Math.PI
	}

	case class Rectangle(side: Double) {
	def area = side * side
	}

	case class Triangle(base: Double, height: Double) {
	def area = 0.5d * base * height

caiorss / GADTs.scala

Created October 25, 2016 01:42 — forked from jroesch/GADTs.scala

Scala GADTs

	/* http://www.haskell.org/ghc/docs/latest/html/users_guide/data-type-extensions.html#gadt
	Generalized Algebraic Datatypes in Scala */

	trait Term[A]
	case class Lit(x: Int) extends Term[Int]
	case class Succ(x: Term[Int]) extends Term[Int]
	case class IsZero(x: Term[Int]) extends Term[Boolean]
	case class If[A](guard: Term[Boolean], t: Term[A], y: Term[A]) extends Term[A]
	case class Pair[A, B](x: Term[A], y: Term[B]) extends Term[(A,B)]

caiorss / gist:3db6d420423170476ae6b1e0559ca5aa

Created October 25, 2016 01:47 — forked from denen99/gist:6765084

Coursera week 2 scala tests

	package funsets

	import org.scalatest.FunSuite

	import org.junit.runner.RunWith
	import org.scalatest.junit.JUnitRunner

	/**
	* This class is a test suite for the methods in object FunSets. To run
	* the test suite, you can either:

Caio Rordrigues caiorss