Write a function to find top k values in a list.
Data Scientist Senior Interview Questions
3,389 data scientist senior interview questions shared by candidates
The challenge depends on the client, in my case I joined Latam Airlines so I had to predict the probability of a plane delay with the public data of flights departing from SCL for all airlines to the rest of the world
Take-home data challenge. Pull data from public sources, build a model, come up with recommendations for investments. It's only phishing. Avoid!
Given a dataset of 600,000 credit card transactions, build a fraud detection model.
English test, psycho-technical tests ( two hours ) Then for the one to one interview , they asked me questions about my career and past challenges
Explain specific Machine Learning algo/technique for non-technical people.
How do you promote models for acceptance?
Coding logic test using your preferred language and a data processing and analytics question.
if the model is not perfect, how would you like to select the threshold so that the model outputs 1 or 0 for label?
Describe the difference between covariance and correlation.
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