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Possible date conversion error? about pyculiarity HOT 17 OPEN

zrnsm avatar zrnsm commented on August 20, 2024
Possible date conversion error?

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Comments (17)

zrnsm avatar zrnsm commented on August 20, 2024

Thanks for taking the time to open an issue! Can you give me more information about your environment? That will help me diagnose the problem. Specifically: the versions of your operating system, Python, pyculiarity, its dependencies (SciPy, NumPy, R, nose, pip), etc. Also, how did you install the package?The more detail the better.

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arizhakov avatar arizhakov commented on August 20, 2024

Sure thing, would love to help on this.

I started the install by downloading the .zip file (right side of https://github.com/nicolasmiller/pyculiarity), and unzipped.

To answer your questions:
OS: Win 7 enterprise
Python: 2.7.6
pyculiarity: 0.0.1a3
SciPy: 0.14.0
NumPy: 1.8.1
R: 3.2.1 (2015-06-18)
nose: 1.3.3
pip: N/A. firewall issues at work, so have to install all my packages manually :(

Please let me know if you need more info. I have a log.txt that shows all my steps, though do not know how to attach to this comment; If you would like to see, please let me know how to send to you/post here.

I am going to play around with etsy/skyline for my current project, but would love to come back to pyculiarity to supplement.

Thanks!

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zrnsm avatar zrnsm commented on August 20, 2024

Ah, I should have noticed Win32 in the stacktrace. The package has been tested exclusively in *nix environments, both OS X and Linux (this should be more explicit in the documentation). I'll need to scrounge up a Windows box to test on. I should be able to take a look later this evening.

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arizhakov avatar arizhakov commented on August 20, 2024

Thanks.

As a theoretical question, why would the OS environment matter for TypeErrors? To me, this sounds like an environment-independent issue dealing with a math operation on strings, rather than ints/floats, no?

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zrnsm avatar zrnsm commented on August 20, 2024

I would tend to agree with you just looking at the stacktrace. But I know the example works just fine in other environments. There might be some slightly different behavior happening in your versions of the dependencies for example. I want to see if I can reproduce your exact problem and then work backwards from there.

Oh, can you give me your versions of pandas, pytz, statsmodels and rpy2 as well?

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zrnsm avatar zrnsm commented on August 20, 2024

But, yes, it looks like we do end up with string dates where the code is expecting actual date objects that can be subtracted. So for some reason the normal conversion that should happen before we reach that point is failing. I'll keep you posted with what I find once I have a machine to debug with.

In the meantime, it might be worth tracing through what's happening in your environment around the format_timestamp function to understand why exactly the conversion from a date string isn't happening.

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arizhakov avatar arizhakov commented on August 20, 2024

pandas: 0.13.1
pytz: 2014.3
statsmodels: 0.5.0
rpy2: 2.6.1

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arizhakov avatar arizhakov commented on August 20, 2024

perhaps this is overkill, but here is the log. Feel free to delete this comment if excessive :)


Microsoft Windows [Version 6.1.7601]
Copyright (c) 2009 Microsoft Corporation. All rights reserved.

C:\Python27\Lib\site-packages\pyculiarity-master>
C:\Python27\Lib\site-packages\pyculiarity-master>
C:\Python27\Lib\site-packages\pyculiarity-master>python install setup.py
python: can't open file 'install': [Errno 2] No such file or directory

C:\Python27\Lib\site-packages\pyculiarity-master>
C:\Python27\Lib\site-packages\pyculiarity-master>python setup.py install
running install
running bdist_egg
running egg_info
creating pyculiarity.egg-info
writing requirements to pyculiarity.egg-info\requires.txt
writing pyculiarity.egg-info\PKG-INFO
writing top-level names to pyculiarity.egg-info\top_level.txt
writing dependency_links to pyculiarity.egg-info\dependency_links.txt
writing manifest file 'pyculiarity.egg-info\SOURCES.txt'
reading manifest file 'pyculiarity.egg-info\SOURCES.txt'
reading manifest template 'MANIFEST.in'
warning: no previously-included files matching '*.pyc' found under directory 'tests'
writing manifest file 'pyculiarity.egg-info\SOURCES.txt'
installing library code to build\bdist.win32\egg
running install_lib
running build_py
creating build
creating build\lib
creating build\lib\pyculiarity
copying pyculiarity\date_utils.py -> build\lib\pyculiarity
copying pyculiarity\detect_anoms.py -> build\lib\pyculiarity
copying pyculiarity\detect_ts.py -> build\lib\pyculiarity
copying pyculiarity\detect_vec.py -> build\lib\pyculiarity
copying pyculiarity\r_stl.py -> build\lib\pyculiarity
copying pyculiarity__init__.py -> build\lib\pyculiarity
creating build\bdist.win32
creating build\bdist.win32\egg
creating build\bdist.win32\egg\pyculiarity
copying build\lib\pyculiarity\date_utils.py -> build\bdist.win32\egg\pyculiarity
copying build\lib\pyculiarity\detect_anoms.py -> build\bdist.win32\egg\pyculiarity
copying build\lib\pyculiarity\detect_ts.py -> build\bdist.win32\egg\pyculiarity
copying build\lib\pyculiarity\detect_vec.py -> build\bdist.win32\egg\pyculiarity
copying build\lib\pyculiarity\r_stl.py -> build\bdist.win32\egg\pyculiarity
copying build\lib\pyculiarity__init__.py -> build\bdist.win32\egg\pyculiarity
byte-compiling build\bdist.win32\egg\pyculiarity\date_utils.py to date_utils.pyc
byte-compiling build\bdist.win32\egg\pyculiarity\detect_anoms.py to detect_anoms.pyc
byte-compiling build\bdist.win32\egg\pyculiarity\detect_ts.py to detect_ts.pyc
byte-compiling build\bdist.win32\egg\pyculiarity\detect_vec.py to detect_vec.pyc
byte-compiling build\bdist.win32\egg\pyculiarity\r_stl.py to r_stl.pyc
byte-compiling build\bdist.win32\egg\pyculiarity__init__.py to init.pyc
creating build\bdist.win32\egg\EGG-INFO
copying pyculiarity.egg-info\PKG-INFO -> build\bdist.win32\egg\EGG-INFO
copying pyculiarity.egg-info\SOURCES.txt -> build\bdist.win32\egg\EGG-INFO
copying pyculiarity.egg-info\dependency_links.txt -> build\bdist.win32\egg\EGG-INFO
copying pyculiarity.egg-info\requires.txt -> build\bdist.win32\egg\EGG-INFO
copying pyculiarity.egg-info\top_level.txt -> build\bdist.win32\egg\EGG-INFO
zip_safe flag not set; analyzing archive contents...
creating dist
creating 'dist\pyculiarity-0.0.1a3-py2.7.egg' and adding 'build\bdist.win32\egg' to it
removing 'build\bdist.win32\egg' (and everything under it)
Processing pyculiarity-0.0.1a3-py2.7.egg
Copying pyculiarity-0.0.1a3-py2.7.egg to c:\python27\lib\site-packages
Adding pyculiarity 0.0.1a3 to easy-install.pth file

Installed c:\python27\lib\site-packages\pyculiarity-0.0.1a3-py2.7.egg
Processing dependencies for pyculiarity==0.0.1a3
Searching for rpy2==2.6.1
Best match: rpy2 2.6.1
Adding rpy2 2.6.1 to easy-install.pth file

Using c:\python27\lib\site-packages
Searching for statsmodels==0.5.0
Best match: statsmodels 0.5.0
Adding statsmodels 0.5.0 to easy-install.pth file

Using c:\python27\lib\site-packages
Searching for pytz==2014.3
Best match: pytz 2014.3
Adding pytz 2014.3 to easy-install.pth file

Using c:\python27\lib\site-packages
Searching for pandas==0.13.1
Best match: pandas 0.13.1
Adding pandas 0.13.1 to easy-install.pth file

Using c:\python27\lib\site-packages
Searching for scipy==0.14.0
Best match: scipy 0.14.0
Adding scipy 0.14.0 to easy-install.pth file

Using c:\python27\lib\site-packages
Searching for numpy==1.8.1
Best match: numpy 1.8.1
Adding numpy 1.8.1 to easy-install.pth file

Using c:\python27\lib\site-packages
Searching for six==1.6.1
Best match: six 1.6.1
Adding six 1.6.1 to easy-install.pth file

Using c:\python27\lib\site-packages
Searching for singledispatch==3.4.0.3
Best match: singledispatch 3.4.0.3
Adding singledispatch 3.4.0.3 to easy-install.pth file

Using c:\python27\lib\site-packages
Searching for python-dateutil==2.2
Best match: python-dateutil 2.2
Adding python-dateutil 2.2 to easy-install.pth file

Using c:\python27\lib\site-packages
Finished processing dependencies for pyculiarity==0.0.1a3

C:\Python27\Lib\site-packages\pyculiarity-master>
C:\Python27\Lib\site-packages\pyculiarity-master>
C:\Python27\Lib\site-packages\pyculiarity-master>
C:\Python27\Lib\site-packages\pyculiarity-master>
C:\Python27\Lib\site-packages\pyculiarity-master>
C:\Python27\Lib\site-packages\pyculiarity-master>
C:\Python27\Lib\site-packages\pyculiarity-master>nosetests .

EEEEEEEEEEEEE

ERROR: test_check_constant_series (test_edge.TestEdge)


Traceback (most recent call last):
File "C:\Python27\Lib\site-packages\pyculiarity-master\tests\test_edge.py", line 15, in test_check_constant_series
results = detect_vec(s, period=14, direction='both', plot=False)
File "C:\Python27\Lib\site-packages\pyculiarity-master\pyculiarity\detect_vec.py", line 188, in detect_vec
verbose=verbose)
File "C:\Python27\Lib\site-packages\pyculiarity-master\pyculiarity\detect_anoms.py", line 70, in detect_anoms
decomp = stl(data.value, "periodic", np=num_obs_per_period)
File "C:\Python27\Lib\site-packages\pyculiarity-master\pyculiarity\r_stl.py", line 42, in stl
ts = ts_(robjects.FloatVector(asarray(data)), start=start, frequency=np)
File "C:\Python27\lib\site-packages\rpy2\robjects\functions.py", line 178, in call
return super(SignatureTranslatedFunction, self).call(_args, *_kwargs)
File "C:\Python27\lib\site-packages\rpy2\robjects\functions.py", line 105, in call
new_kwargs[k] = conversion.py2ri(v)
File "C:\Python27\lib\site-packages\singledispatch.py", line 210, in wrapper
return dispatch(args[0].class)(_args, *_kw)
File "C:\Python27\lib\site-packages\rpy2\robjects\conversion.py", line 39, in py2ri
raise NotImplementedError("Conversion 'py2ri' not defined for objects of type '%s'" % str(type(obj)))
NotImplementedError: Conversion 'py2ri' not defined for objects of type '<type 'numpy.int64'>'

ERROR: test_check_midnight_date_format (test_edge.TestEdge)


Traceback (most recent call last):
File "C:\Python27\Lib\site-packages\pyculiarity-master\tests\test_edge.py", line 28, in test_check_midnight_date_format
e_value=True)
File "C:\Python27\Lib\site-packages\pyculiarity-master\pyculiarity\detect_ts.py", line 142, in detect_ts
gran = get_gran(df)
File "C:\Python27\Lib\site-packages\pyculiarity-master\pyculiarity\date_utils.py", line 46, in get_gran
gran = int(round((largest - second_largest) / np.timedelta64(1, 's')))
TypeError: ufunc divide cannot use operands with types dtype('O') and dtype('<m8[s]')

ERROR: test_handling_of_leading_trailing_nas (test_na.TestNAs)


Traceback (most recent call last):
File "C:\Python27\Lib\site-packages\pyculiarity-master\tests\test_na.py", line 21, in test_handling_of_leading_trailing_nas
direction='both', plot=False)
File "C:\Python27\Lib\site-packages\pyculiarity-master\pyculiarity\detect_ts.py", line 142, in detect_ts
gran = get_gran(df)
File "C:\Python27\Lib\site-packages\pyculiarity-master\pyculiarity\date_utils.py", line 46, in get_gran
gran = int(round((largest - second_largest) / np.timedelta64(1, 's')))
TypeError: ufunc divide cannot use operands with types dtype('O') and dtype('<m8[s]')

ERROR: test_handling_of_middle_nas (test_na.TestNAs)


Traceback (most recent call last):
File "C:\Python27\lib\site-packages\nose\tools\nontrivial.py", line 60, in newfunc
func(_arg, *_kw)
File "C:\Python27\Lib\site-packages\pyculiarity-master\tests\test_na.py", line 28, in test_handling_of_middle_nas
detect_ts(self.raw_data, max_anoms=0.02, direction='both')
File "C:\Python27\Lib\site-packages\pyculiarity-master\pyculiarity\detect_ts.py", line 142, in detect_ts
gran = get_gran(df)
File "C:\Python27\Lib\site-packages\pyculiarity-master\pyculiarity\date_utils.py", line 46, in get_gran
gran = int(round((largest - second_largest) / np.timedelta64(1, 's')))
TypeError: ufunc divide cannot use operands with types dtype('O') and dtype('<m8[s]')

ERROR: test_both_directions_e_value_longterm (test_ts.TestTS)


Traceback (most recent call last):
File "C:\Python27\Lib\site-packages\pyculiarity-master\tests\test_ts.py", line 24, in test_both_directions_e_value_longterm
plot=False, e_value=True)
File "C:\Python27\Lib\site-packages\pyculiarity-master\pyculiarity\detect_ts.py", line 142, in detect_ts
gran = get_gran(df)
File "C:\Python27\Lib\site-packages\pyculiarity-master\pyculiarity\date_utils.py", line 46, in get_gran
gran = int(round((largest - second_largest) / np.timedelta64(1, 's')))
TypeError: ufunc divide cannot use operands with types dtype('O') and dtype('<m8[s]')

ERROR: test_both_directions_e_value_threshold_med_max (test_ts.TestTS)


Traceback (most recent call last):
File "C:\Python27\Lib\site-packages\pyculiarity-master\tests\test_ts.py", line 32, in test_both_directions_e_value_threshold_med_max
e_value=True)
File "C:\Python27\Lib\site-packages\pyculiarity-master\pyculiarity\detect_ts.py", line 142, in detect_ts
gran = get_gran(df)
File "C:\Python27\Lib\site-packages\pyculiarity-master\pyculiarity\date_utils.py", line 46, in get_gran
gran = int(round((largest - second_largest) / np.timedelta64(1, 's')))
TypeError: ufunc divide cannot use operands with types dtype('O') and dtype('<m8[s]')

ERROR: test_both_directions_with_plot (test_ts.TestTS)


Traceback (most recent call last):
File "C:\Python27\Lib\site-packages\pyculiarity-master\tests\test_ts.py", line 17, in test_both_directions_with_plot
plot=False)
File "C:\Python27\Lib\site-packages\pyculiarity-master\pyculiarity\detect_ts.py", line 142, in detect_ts
gran = get_gran(df)
File "C:\Python27\Lib\site-packages\pyculiarity-master\pyculiarity\date_utils.py", line 46, in get_gran
gran = int(round((largest - second_largest) / np.timedelta64(1, 's')))
TypeError: ufunc divide cannot use operands with types dtype('O') and dtype('<m8[s]')

ERROR: test_both_directions_e_value_longterm (test_ts_AR.TestTS)


Traceback (most recent call last):
File "C:\Python27\Lib\site-packages\pyculiarity-master\tests\test_ts_AR.py", line 24, in test_both_directions_e_value_longterm
plot=False, e_value=True)
File "C:\Python27\Lib\site-packages\pyculiarity-master\pyculiarity\detect_ts.py", line 142, in detect_ts
gran = get_gran(df)
File "C:\Python27\Lib\site-packages\pyculiarity-master\pyculiarity\date_utils.py", line 46, in get_gran
gran = int(round((largest - second_largest) / np.timedelta64(1, 's')))
TypeError: ufunc divide cannot use operands with types dtype('O') and dtype('<m8[s]')

ERROR: test_both_directions_e_value_threshold_med_max (test_ts_AR.TestTS)


Traceback (most recent call last):
File "C:\Python27\Lib\site-packages\pyculiarity-master\tests\test_ts_AR.py", line 32, in test_both_directions_e_value_threshold_med_max
e_value=True)
File "C:\Python27\Lib\site-packages\pyculiarity-master\pyculiarity\detect_ts.py", line 142, in detect_ts
gran = get_gran(df)
File "C:\Python27\Lib\site-packages\pyculiarity-master\pyculiarity\date_utils.py", line 46, in get_gran
gran = int(round((largest - second_largest) / np.timedelta64(1, 's')))
TypeError: ufunc divide cannot use operands with types dtype('O') and dtype('<m8[s]')

ERROR: test_both_directions_with_plot (test_ts_AR.TestTS)


Traceback (most recent call last):
File "C:\Python27\Lib\site-packages\pyculiarity-master\tests\test_ts_AR.py", line 17, in test_both_directions_with_plot
plot=True)
File "C:\Python27\Lib\site-packages\pyculiarity-master\pyculiarity\detect_ts.py", line 142, in detect_ts
gran = get_gran(df)
File "C:\Python27\Lib\site-packages\pyculiarity-master\pyculiarity\date_utils.py", line 46, in get_gran
gran = int(round((largest - second_largest) / np.timedelta64(1, 's')))
TypeError: ufunc divide cannot use operands with types dtype('O') and dtype('<m8[s]')

ERROR: test_both_directions_e_value_longterm (test_vec.TestVec)


Traceback (most recent call last):
File "C:\Python27\Lib\site-packages\pyculiarity-master\tests\test_vec.py", line 24, in test_both_directions_e_value_longterm
longterm_period=1440_14, e_value=True)
File "C:\Python27\Lib\site-packages\pyculiarity-master\pyculiarity\detect_vec.py", line 188, in detect_vec
verbose=verbose)
File "C:\Python27\Lib\site-packages\pyculiarity-master\pyculiarity\detect_anoms.py", line 70, in detect_anoms
decomp = stl(data.value, "periodic", np=num_obs_per_period)
File "C:\Python27\Lib\site-packages\pyculiarity-master\pyculiarity\r_stl.py", line 42, in stl
ts = ts_(robjects.FloatVector(asarray(data)), start=start, frequency=np)
File "C:\Python27\lib\site-packages\rpy2\robjects\functions.py", line 178, in call
return super(SignatureTranslatedFunction, self).call(_args, *_kwargs)
File "C:\Python27\lib\site-packages\rpy2\robjects\functions.py", line 105, in call
new_kwargs[k] = conversion.py2ri(v)
File "C:\Python27\lib\site-packages\singledispatch.py", line 210, in wrapper
return dispatch(args[0].class)(_args, **kw)
File "C:\Python27\lib\site-packages\rpy2\robjects\conversion.py", line 39, in py2ri
raise NotImplementedError("Conversion 'py2ri' not defined for objects of type '%s'" % str(type(obj)))
NotImplementedError: Conversion 'py2ri' not defined for objects of type '<type 'numpy.int64'>'

ERROR: test_both_directions_e_value_threshold_med_max (test_vec.TestVec)


Traceback (most recent call last):
File "C:\Python27\Lib\site-packages\pyculiarity-master\tests\test_vec.py", line 31, in test_both_directions_e_value_threshold_med_max
threshold="med_max", e_value=True)
File "C:\Python27\Lib\site-packages\pyculiarity-master\pyculiarity\detect_vec.py", line 188, in detect_vec
verbose=verbose)
File "C:\Python27\Lib\site-packages\pyculiarity-master\pyculiarity\detect_anoms.py", line 70, in detect_anoms
decomp = stl(data.value, "periodic", np=num_obs_per_period)
File "C:\Python27\Lib\site-packages\pyculiarity-master\pyculiarity\r_stl.py", line 42, in stl
ts = ts_(robjects.FloatVector(asarray(data)), start=start, frequency=np)
File "C:\Python27\lib\site-packages\rpy2\robjects\functions.py", line 178, in call
return super(SignatureTranslatedFunction, self).call(_args, *_kwargs)
File "C:\Python27\lib\site-packages\rpy2\robjects\functions.py", line 105, in call
new_kwargs[k] = conversion.py2ri(v)
File "C:\Python27\lib\site-packages\singledispatch.py", line 210, in wrapper
return dispatch(args[0].class)(_args, *_kw)
File "C:\Python27\lib\site-packages\rpy2\robjects\conversion.py", line 39, in py2ri
raise NotImplementedError("Conversion 'py2ri' not defined for objects of type '%s'" % str(type(obj)))
NotImplementedError: Conversion 'py2ri' not defined for objects of type '<type 'numpy.int64'>'

ERROR: test_both_directions_with_plot (test_vec.TestVec)


Traceback (most recent call last):
File "C:\Python27\Lib\site-packages\pyculiarity-master\tests\test_vec.py", line 17, in test_both_directions_with_plot
only_last=True, plot=False)
File "C:\Python27\Lib\site-packages\pyculiarity-master\pyculiarity\detect_vec.py", line 188, in detect_vec
verbose=verbose)
File "C:\Python27\Lib\site-packages\pyculiarity-master\pyculiarity\detect_anoms.py", line 70, in detect_anoms
decomp = stl(data.value, "periodic", np=num_obs_per_period)
File "C:\Python27\Lib\site-packages\pyculiarity-master\pyculiarity\r_stl.py", line 42, in stl
ts = ts_(robjects.FloatVector(asarray(data)), start=start, frequency=np)
File "C:\Python27\lib\site-packages\rpy2\robjects\functions.py", line 178, in call
return super(SignatureTranslatedFunction, self).call(_args, *_kwargs)
File "C:\Python27\lib\site-packages\rpy2\robjects\functions.py", line 105, in call
new_kwargs[k] = conversion.py2ri(v)
File "C:\Python27\lib\site-packages\singledispatch.py", line 210, in wrapper
return dispatch(args[0].class)(_args, *_kw)
File "C:\Python27\lib\site-packages\rpy2\robjects\conversion.py", line 39, in py2ri
raise NotImplementedError("Conversion 'py2ri' not defined for objects of type '%s'" % str(type(obj)))
NotImplementedError: Conversion 'py2ri' not defined for objects of type '<type 'numpy.int64'>'


Ran 13 tests in 6.751s

FAILED (errors=13)

C:\Python27\Lib\site-packages\pyculiarity-master>
C:\Python27\Lib\site-packages\pyculiarity-master>
C:\Python27\Lib\site-packages\pyculiarity-master>
C:\Python27\Lib\site-packages\pyculiarity-master>
C:\Python27\Lib\site-packages\pyculiarity-master>

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zrnsm avatar zrnsm commented on August 20, 2024

Excellent! This really helps.

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zrnsm avatar zrnsm commented on August 20, 2024

I managed to get a Windows environment up on my Mac under Parallels and have reproduced the error. Working on a fix now.

Another thing occurred to me: are you on 32-bit or 64-bit Windows? And are you using 32 or 64 bit versions of the python dependencies?

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arizhakov avatar arizhakov commented on August 20, 2024

Glad you could reproduce and that it wasn't some random issue with my configuration. Progress!

i am on 64-bit Windows.

I am not sure about 32 vs 64 bit Python dependencies; how can I check? I am running my scripts out of Python(x.y), FYI.

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arizhakov avatar arizhakov commented on August 20, 2024

I will also dig into the issue today on my end, and see what i can find. Please let me know how i can assist. Looking forward to getting this up and running.

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zrnsm avatar zrnsm commented on August 20, 2024

I managed to get it working on Windows with all of your versions of the dependencies save one: statsmodels. I needed to upgrade to 0.6.1 from 0.5.0. Between those versions, there were changes made to statsmodels.robust.scale.mad (median absolute deviation) which we use in detect_anoms. This was throwing results off slightly. I had to make a couple of other minor changes to accommodate for some other differences with some of the numpy and pandas types. Take a look at the commit history if you're interested.

Long story short: grab the latest code from master and upgrade to at least statsmodels 0.6.1 and give it a shot. If you're stuck with 0.5.0 for some reason, you'll need to replace the mad function in detect_anoms with something that is consistent with what 0.6.1's mad returns.

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arizhakov avatar arizhakov commented on August 20, 2024

Excellent!! Nice work! I will give this a shot today, and reply with my results.

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arizhakov avatar arizhakov commented on August 20, 2024

@nicolasmiller, I am still having issues :(. As instructed, I grabbed the latest statsmodels and pyculiarity codes, installed, getting similar (maybe same) error as before. When I check versions, I get:


import statsmodels
print statsmodels.version (sorry, the bold is supposed to be 2 underscores)
0.6.1
import pyculiarity

print pyculiarity.version (sorry, the bold is supposed to be 2 underscores)
0.0.2


i have tried a simple example, but it gives me an error:


print "(largest - second_largest): ", (np.timedelta64(largest) - np.timedelta64(second_largest)) ValueError: Could not convert object to NumPy timedelta


however,


largest1
'1980-10-05'
second_largest2
'1980-10-01'

np.timedelta64(largest1-second_largest2)
Traceback (most recent call last):
File "", line 1, in
TypeError: unsupported operand type(s) for -: 'str' and 'str'
np.datetime64(largest1) - np.datetime64(second_largest2)
numpy.timedelta64(4,'D')


I am not sure of what this indicates. I think that it has something to do with the string including the days and hour/min/sec all in one string, which perhaps numpy doesn't like.

I will think more tomorrow, but just wanted to give you a heads up. Any suggestions what I am doing wrong is appreciated.

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zrnsm avatar zrnsm commented on August 20, 2024

Sorry to hear that. I'll take another look. There must still be something different about our environments and dependencies, etc. Can you double check all of the version numbers and confirm that they're still the same as what you listed before?

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arizhakov avatar arizhakov commented on August 20, 2024

oh no, sorry about the late reply - I am just seeing this now. I should have some time tomorrow to send you the info that you requested above, as well as any diagnostics that I can come up with. Additionally, I will test on my home Windows machine (Windows 10) to see if this is just some strange occurrence on my production machine. Thanks for your efforts!

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