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I have a plot that looks at daily mean sales for different products, which I made using matplotlib. Now I want a slicer that allows for the removal of unselected lines in the python script. I have the slicer set up but it does not remove the line but does filter the data, which I thought would remove the line but it stays (likley in a default state maybe?).
Here is a code snippit for reference.
Solved! Go to Solution.
I did 'Fix' this by just realizing something about how Python and Power Bi work together.
When you use a slicer it will filter the column you are plotting. There is no need to 'define' a slicer in the python script
First let me say that its a specific way of thinking one needs to approach this combo. In my way of thinking 'you' as the programmer define the behaviour of the slicer by making a connection between the slicer and the python script. This is wrong. Power Bi, when you add a slicer, will filter the data and run the python script again with the new data filtered data frame. So for me I needed to remove some of the programmers thinking and allow Power Bi to do the thing it does best, simplify a lot of tasks.
It isn't a 'programming' solution or software solution - its a 'Aha, thats smart' light bulb monent solution.
Hi @Eiki
I don't know what line you want to remove.
Could you show an example with pictures?
Best Regards
Maggie
I don't have the file right now - but I found a solution.
For the slicer to work in the python script there needs to be a refernce to that file. So there could be an example like this
plt.plot(df['date'], df[f'Product{i}'].where(df[f'Product{i}'].isin(ProductList))
The ProductList is the list I reference in the slicer so now it works.
Thanks again - I found the solution by reading the forum here and Trial and Error
I did 'Fix' this by just realizing something about how Python and Power Bi work together.
When you use a slicer it will filter the column you are plotting. There is no need to 'define' a slicer in the python script
First let me say that its a specific way of thinking one needs to approach this combo. In my way of thinking 'you' as the programmer define the behaviour of the slicer by making a connection between the slicer and the python script. This is wrong. Power Bi, when you add a slicer, will filter the data and run the python script again with the new data filtered data frame. So for me I needed to remove some of the programmers thinking and allow Power Bi to do the thing it does best, simplify a lot of tasks.
It isn't a 'programming' solution or software solution - its a 'Aha, thats smart' light bulb monent solution.
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