import numpy as np
import pandas as pd


def load_data():
	df = pd.read_csv('data/sample.txt', delimiter=',', header=None).astype(np.float32)

	#df = pd.read_csv('data/ex1data1.txt', delimiter=',', header=None).astype(np.float32)

	#df = pd.read_csv('data/train.csv', delimiter=',', comment='#').astype(np.float32)
	#df[0] = df['x']
	#df[1] = df['y']

	df[2] = pd.Series([1]*len(df[0]))
	df = df.reindex(columns=[1, 2, 0])

	return df