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--- technical:sliding_window [2019/09/25 14:25] – created chunchung
+++ technical:sliding_window [2021/10/12 15:15] (current) – chunchung
@@ Line 1: / Line 1: @@
 =====Sliding window time histogram=====
+Given the spike time, plot the event rate within a sliding window.
 <code python>
 def sliding_window(ts,wsz=10):
@@ Line 6: / Line 7: @@
     Parameters
     ----------
-    ts:  array time points
+    ts:  Array of time points
-    wsz: window size
+    wsz: Window size
+    Returns
+    -------
+    tss:    Array of time points
+    rates:  Firing rates at the time points
     '''
-    tw = ts[0]-wsz
+    tw = ts[0]-wsz # initialized with the time when the first event hits the window
     i0 = 0
     i1 = 0
@@ Line 36: / Line 42: @@
     tts.append(tw)
     rrs.append(0)
-    return np.array(tts)+wsz/2,np.array(rrs)/bsize
+    return np.array(tts)+wsz/2,np.array(rrs)/wsz
+</code>
+====Example====
+<code python>
+a = np.array([1,3,6,11,24,33,36,44,44,52,54,55,55,55,59,64])
+tts,rrs = sliding_window(a)
+plt.plot(tts,rrs,'-')
+plt.plot(a,np.zeros_like(a),'x')
 </code>
+{{ :technical:sliding_window_example.svg |}}

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