What features would you use to predict the Uber ETA for ride requests?Data processingFeature SelectionModel SelectionCross ValidationEvaluation MetricsTesting...
How would you evaluate the predictions of an Uber ETA model?
How would you evaluate the predictions of an Uber ETA model?Data processingFeature SelectionModel SelectionCross ValidationEvaluation MetricsTesting and...
Describe how you would build a model to predict Uber ETAs after a rider requests a ride.
Describe how you would build a model to predict Uber ETAs after a rider requests a ride.Data processingFeature SelectionModel SelectionCross ValidationEvaluation...
Suppose you're working as a data scientist at Facebook. How would you measure the success of private stories on Instagram, where only certain chosen friends can see the story?
Suppose you're working as a data scientist at Facebook. How would you measure the success of private stories on Instagram, where only certain chosen friends...
Precision vs Accuracy Vs Recall?
Precision vs Accuracy Vs Recall?Accuracy - Accuracy is the most intuitive performance measure and it is simply a ratio of correctly predicted observation...
Error vs variance vs bias?
Error vs variance vs bias?In statistics and machine learning, the bias-variance tradeoff is the property of a set of predictive models whereby models...
False negatives vs false positives? When is either one worse than the other?
False negatives vs false positives? When is either one worse than the other?False positive: A false positive error, or in short a false positive, commonly...
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