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Anonymous's avatar
Anonymous
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7 years ago

Key Influencer - likelihood calculation not matching

HI there, I've created this Key Influencers visual but don't figure out the calculation for the likelihood.  The green bar is at 1.35% (2747) Average is 0.78% (36548)   The likelihood plotted is...
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Anonymous's avatar
Anonymous
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6 years ago

Hello all,

 

After some more digging, I understood that the visual takes a sample of 10k rows to build the analysis on. So if you load less than 10k rows, the division should work out, if more than 10k in the data, the sampling (stratified sampling) will grab the most representative 10k only and this is why the division will not match.

 

Thanks all,

Mihnea

Anonymous's avatar
Anonymous
Not applicable
6 years ago
Anonymous wrote:

Hello all,

 

After some more digging, I understood that the visual takes a sample of 10k rows to build the analysis on. So if you load less than 10k rows, the division should work out, if more than 10k in the data, the sampling (stratified sampling) will grab the most representative 10k only and this is why the division will not match.

 

Thanks all,

Mihnea

Hi,

 

How did you learn about that? Can you please recommend any article explaining how stratified sampling is performed in Power BI? :)