From: Francois Fleuret <francois@fleuret.org>
Date: Wed, 18 Dec 2019 17:42:36 +0000 (+0100)
Subject: Added the 5 cluster data-set.
X-Git-Url: https://fleuret.org/cgi-bin/gitweb/gitweb.cgi?a=commitdiff_plain;h=fe7bae674b22a2ec4994a34be4a509b1a0d0ba72;p=pytorch.git

Added the 5 cluster data-set.
---

diff --git a/denoising-ae-field.py b/denoising-ae-field.py
index cc4af81..effee19 100755
--- a/denoising-ae-field.py
+++ b/denoising-ae-field.py
@@ -31,10 +31,19 @@ def data_spiral(nb):
     data = torch.cat((y, x), 1)
     return data
 
+def data_penta(nb):
+    a = (torch.randint(5, (nb,)).float() / 5 * 2 * math.pi).view(-1, 1)
+    x = a.cos()
+    y = a.sin()
+    data = torch.cat((y, x), 1)
+    data = data + data.new(data.size()).normal_(0, 0.05)
+    return data
+
 ######################################################################
 
-# data = data_spiral(1000)
-data = data_zigzag(1000)
+data = data_spiral(1000)
+# data = data_zigzag(1000)
+# data = data_penta(1000)
 
 data = data - data.mean(0)