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Results tagged with python
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user 15064
Use for data science questions related to the programming language Python. Not intended for general coding questions (which should be asked on Stack Overflow).
1
vote
1
answer
11k
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How to change a cell in Pandas dataframe with respective frequency of the cell in respective...
I have a pandas dataframe with binary value columns. I would like to replace values in each cell with its frequency in rspective column in place. My question is how to keep track of the current column …
- 2,927
31
votes
8
answers
157k
views
How to count the number of missing values in each row in Pandas dataframe?
How can I get the number of missing value in each row in Pandas dataframe.
I would like to split dataframe to different dataframes which have same number of missing values in each row.
Any suggestion …
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3
votes
3
answers
2k
views
How to prepare data for LSTM time series prediction
I have a binary classification task for time series data.
Every 14 rows in my CSV is relevant to one time slot. How should I prepare this data to be used in LSTM? In other word how to feed the model w …
- 2,927
245
votes
10
answers
356k
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What's the difference between fit and fit_transform in scikit-learn models?
I do not understand the difference between the fit and fit_transform methods in scikit-learn. Can anybody explain simply why we might need to transform data?
What does it mean, fitting a model on trai …
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