From 308c5ffba14dc5211689e7afd90c5d58d9c5d581 Mon Sep 17 00:00:00 2001
From: Gregory Ditzler <gditzler@Gregorys-MacBook-Pro.local>
Date: Mon, 25 Mar 2013 13:52:08 -0400
Subject: modified demo and import data to test new feast functionality.

---
 python/import_data.py | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

(limited to 'python/import_data.py')

diff --git a/python/import_data.py b/python/import_data.py
index c97ce7e..6d4bd9e 100644
--- a/python/import_data.py
+++ b/python/import_data.py
@@ -14,6 +14,7 @@ def read_digits(fname='digit.txt'):
 		label appended. 
 	'''
 	import csv
+	import numpy as np
 
 	fw = csv.reader(open(fname,'rb'), delimiter='\t')
 	data = []
@@ -34,6 +35,23 @@ def read_digits(fname='digit.txt'):
 ##################################################################
 def uniform_data(n_observations = 1000, n_features = 50, n_relevant = 5):
 	import numpy as np
+	xmax = 10
+	xmin = 0
+	data = np.random.randint(xmax + 1, size = (n_features, n_observations))
+	labels = np.zeros(n_observations)
+	delta = n_relevant * (xmax - xmin) / 2.0
+
+	for m in range(n_observations):
+		zz = 0.0
+		for k in range(n_relevant):
+			zz += data[k, m]
+		if zz > delta:
+			labels[m] = 1
+		else:
+			labels[m] = 2
+	data = data.transpose()
+	
+	return data, labels
 
 ##################################################################
 ##################################################################
-- 
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