Hi Thomas, I pass s06compute_dtt.py and find folder MWCS/. But I got error when calling 07.plot_dtt.py. I check file length under MWCS folder, size of the files are 2. I am not sure if this is the problem to cause error of 07.plot_dtt.py? Regards, Xiao msnoise@seisapp:~/MSNoise-Temp/MSNoise-1.2$ python s06compute_dtt.py 2013-10-24 16:40:49,106 [INFO] *** Starting: Compute DT/T *** 2013-10-24 16:40:49,157 [DEBUG] Found 000 updated days 2013-10-24 16:40:49,161 [INFO] Loading mov=5 days for filter=01 2013-10-24 16:40:49,161 [INFO] Loading mov=5 days for filter=01 2013-10-24 16:40:49,162 [INFO] Loading mov=5 days for filter=01 2013-10-24 16:40:49,162 [INFO] Loading mov=5 days for filter=01 2013-10-24 16:40:49,162 [INFO] Loading mov=5 days for filter=01 2013-10-24 16:40:49,162 [INFO] Loading mov=5 days for filter=01 2013-10-24 16:40:49,162 [INFO] Loading mov=5 days for filter=01 2013-10-24 16:40:49,162 [INFO] Loading mov=5 days for filter=01 2013-10-24 16:40:49,162 [INFO] Loading mov=5 days for filter=01 2013-10-24 16:40:49,163 [INFO] *** Finished: Compute DT/T *** msnoise@seisapp:~/MSNoise-Temp/MSNoise-1.2$ python 07.plot_dtt.py Traceback (most recent call last): File "07.plot_dtt.py", line 13, in <module> import matplotlib.pyplot as plt File "/home/msnoise/anaconda/lib/python2.7/site-packages/matplotlib/pyplot.py", line 97, in <module> _backend_mod, new_figure_manager, draw_if_interactive, _show = pylab_setup() File "/home/msnoise/anaconda/lib/python2.7/site-packages/matplotlib/backends/__init__.py", line 25, in pylab_setup globals(),locals(),[backend_name]) File "/home/msnoise/anaconda/lib/python2.7/site-packages/matplotlib/backends/backend_wxagg.py", line 23, in <module> import backend_wx # already uses wxversion.ensureMinimal('2.8') File "/home/msnoise/anaconda/lib/python2.7/site-packages/matplotlib/backends/backend_wx.py", line 53, in <module> raise ImportError(missingwxversion) ImportError: Matplotlib backend_wx and backend_wxagg require wxversion, which was not found.