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You run a worldwide A/B test with a new experimental algorithm. You find that the results...

You run a worldwide A/B test with a new experimental algorithm. You find that the results are not significant. However, when restricting your dataset to Norway, you find the result to be significant. Can you safely deploy your algorithm to Norway?

Math   Statistics-And-Probability   
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Answer #1

If you have tried a Machine Learning Algorithm or any Algorithm to a dataset and it comes out to be significant with good accuracy, then it can be used for future prediction for sure.

In this case, with the whole dataset( I am supposing whole world dataset), the algorithm doesn't work whereas it does work with just the country Norway. Here, you can surely deploy your algorithm to the country Norway but make sure that you test your algorithm after a period of time, you can check its accuracy. The reason of the algorithm working for a particular nation can be the nature of the residents of that country, the pattern they follow, so it is completely fine to deploy it for that country.

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