eerohele

/**
* Swap the elements in an array at indexes x and y.
*
* @param (a) The array.
* @param (x) The index of the first element to swap.
* @param (y) The index of the second element to swap.
* @return {Array} The input array with the elements swapped.
*/
var swapArrayElements = function (a, x, y) {
  if (a.length === 1) return a;

czxttkl

/*
 ============================================================================
 Name        : sh.c
 Author      : Zhengxing Chen
 Version     :
 Copyright   : czxttkl. Achieve Shell basic functions: execution, IO redirection and Pipe.
 ============================================================================
 */
#include <stdlib.h>
#include <unistd.h>

czxttkl

import sklearn as sklearn
import numpy as np
from sklearn.cross_validation import train_test_split
from sklearn import linear_model

# Create synthetic data 
num_samples = 500
num_unrelated_features = 1000

def f(x1, x2):