Unterschiede

Hier werden die Unterschiede zwischen zwei Versionen gezeigt.

--- ss15:nncode [2015/07/24 22:16]
mr.lazy
+++ ss15:nncode [2016/05/10 14:46] (aktuell)
@@ Zeile 183: / Zeile 183: @@
         n.updateDataset(traindata)
         newvalue = n.testDataset(testdata)
+</code>
+=====readfile=====
+<code python>
+import numpy as np
+import matplotlib.pyplot as plt
+def readFile(filename, skip=257):
+    file = open(filename, 'r')
+    all = file.read()
+    numbers = [float(num) for num in all.split()]
+    data = []
+    for i in range(len(numbers)//skip):
+        number = numbers[i*skip:(i+1)*skip]
+        # print number
+        im = [1+num for num in number][1:]
+        data.append((im, [0]*int(number[0])+[1]+[0]*(9-int(number[0]))))
+    return data
+def convertToMatrix(data, x=16, y=16):
+    arr = np.reshape(np.array(data), (x, y))
+    return arr
+def showData(data):
+    for dat in data:
+        print (dat[1])
+        plt.imshow(convertToMatrix(dat[0]), cmap="Greys")
+        plt.show()
 </code>

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