CODEWITHSUNDEEP
pythonpython-3.xwavelet
Niam45
Niam45

Reputation: 578

How to chose scale for continuous wavelet transformation

I'm trying to use a continuous wavelet transform but I keep getting ValueError: Only dim == 1 supported. My data is a pandas dataframe.

I have tried using the following:

df2 = py.cwt(df, scales=1, wavelet='gaus1')

My results were the 

ValueError: only dim == 1
Traceback (most recent call last):

  File "<ipython-input-1-4c0398b4c4f3>", line 1, in <module>
    runfile('/home/user_1/untitled6.py', wdir='/home/user_1')

  File "/usr/lib/python3/dist-packages/spyder/utils/site/sitecustomize.py", line 705, in runfile
    execfile(filename, namespace)

  File "/usr/lib/python3/dist-packages/spyder/utils/site/sitecustomize.py", line 102, in execfile
    exec(compile(f.read(), filename, 'exec'), namespace)

  File "/home/user_1/untitled6.py", line 41, in <module>
    df2 = py.cwt(df,scales ,wavelet='gaus1')

  File "/home/user_1/.local/lib/python3.6/site-packages/pywt/_cwt.py", line 107, in cwt
    raise ValueError("Only dim == 1 supported")

Upvotes: 0

Views: 725

Answers (1)

ypnos
ypnos

Reputation: 52337

pywt.cwt() offers the One dimensional Continuous Wavelet Transform. When working with Pandas, you can apply it on a Series, but not on a Dataframe.

Upvotes: 1

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