Merge pull request luispedro#17 from ao-song/master

format gen_webstats.py in ch01

Author: wrichert

ch01/gen_webstats.py

@@ -17,26 +17,22 @@
 
 sp.random.seed(3) # to reproduce the data later on
 
-x=sp.arange(1, 31*24)
-y=sp.array(200*(sp.sin(2*sp.pi*x/ (7*24))), dtype=int)
+x=sp.arange(1, 31*24)
+y=sp.array(200*(sp.sin(2*sp.pi*x/(7*24))), dtype=int)
 y+=gamma.rvs(15, loc=0, scale=100, size=len(x))
-y+=2*sp.exp(x/100.0)
-y=sp.ma.array(y, mask=[y<0])
-print(sum(y), sum(y<0))
+y+=2*sp.exp(x/100.0)
+y=sp.ma.array(y, mask=[y<0])
+print(sum(y), sum(y<0))
 
 plt.scatter(x, y)
 plt.title("Web traffic over the last month")
 plt.xlabel("Time")
 plt.ylabel("Hits/hour")
-plt.xticks([w*7*24forwin [0, 1, 2, 3, 4]], ['week %i'% (w+1) forwin
- [0, 1, 2, 3, 4]])
-
+plt.xticks([w*7*24forwinrange(5)], 
+ ['week %i'%(w+1) forwinrange(5)])
 plt.autoscale(tight=True)
 plt.grid()
 plt.savefig(os.path.join(CHART_DIR, "1400_01_01.png"))
 
-# sp.savetxt(os.path.join("..", "web_traffic.tsv"),
-# zip(x[~y.mask],y[~y.mask]), delimiter="\t", fmt="%i")
-
-sp.savetxt(os.path.join(
-DATA_DIR, "web_traffic.tsv"), list(zip(x, y)), delimiter="\t", fmt="%s")
+sp.savetxt(os.path.join(DATA_DIR, "web_traffic.tsv"), 
+list(zip(x, y)), delimiter="\t", fmt="%s")