Ho sostenuto un colloquio presso Data Science Group
Colloquio
Very nice and friendly.
Phone interview with questions about my CV:
Describe a project you did, technical questions about the models I used.
Will follow with 2 extra interviews: one for ML knowledge and another for coding.
Domande di colloquio [1]
Domanda 1
Difference between L1 and L2 regularizations
Regression algorithm
Random forest algorithm
Ho presentato la mia candidatura online. La procedura ha richiesto 5 giorni. Ho sostenuto un colloquio presso Data Science Group
Colloquio
After screening my cv a phone interview was schedualed of 15 min. I had several questions in 10 min interview. I didn't pass the interview but they say that once passed there is a 2 hour coding test in their office.
Domande di colloquio [1]
Domanda 1
Asking about topics from my cv: supervised&unsupervised learning mostly.
1)What is linear regression ? error and reguarization methods (L1&L2)
2)How to determine k in k-means?
3)difference between GMM and k-means.
4)Explain PCA.
5)How to decide how many PC (in PCA) to use?
5)What is t-SNE?
6)Explain the difference between bootstrap and bagging and give example for one model for each one of them.
Ho presentato la mia candidatura tramite segnalazione di un dipendente. La procedura ha richiesto una settimana. Ho sostenuto un colloquio presso Data Science Group (Tel Aviv) nel mese di mag 2019
Colloquio
I applied through an employee. After a week I got a mail from the office manager in the company in order to schedule a phone interview with one of the co-founders. We scheduled the phone call for 2 days later. A day after this interview I got a rejection mail.
Domande di colloquio [2]
Domanda 1
What is linear regression? Why do we use square loss instead of absolute value?
