# Research scientist Interview Questions in Paris, France

research scientist interview questions shared by candidates

## Top Interview Questions

Quelles sont les défauts que votre mère vous reproche? Têtue Y’en a tellement que je ne préfère pas vous le dire ! |

En quel animal vous réincarneriez-vous ? |

Comment j'envisage mon travail |

Classer les cartes des valeurs personnelles et professionnelles. |

Comment traitez-vous un problème de classification ou la classe à estimer n'est pas balanced (1% de 1 99% de 0 par exemple) |

What do you think one challenge Heetch is facing currently, and how do you plan to solve it? |

How can you calculate the number of zeros in 100! |

On m'a posé des questions sur mes ambitions professionnels, mon projet, mes motivations pour être data scientist |

1. How do you use NN to reduce dimensionality? 2. Can you model time series as a linear regression model? 3. a) Can you use resampling methods like bagging to estimate the max of a population? b) Why is bagging a variance reduction scheme? 4. Why is the use of minibatch to minimize a function computationally more efficient than any other methods? 5.Gambler's ruin problem. 6. Assume that in a time series, some data are missing. How do you handle that? A. average out the existing values. Okay, so you want to average out the existing values, but how do you define the the new time series as a single function? A. Use characteristic or indicator function. |

citer et présenter un algo de classification supervisée |

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