An organisation that owns dozens of shopping malls wants to create a machine learning product that will use facial recognition to identify customers. What is the main challenge of developing such a model?

XGBoos it provides interfaces for which of the following options? i) C++ ii) R iii) Python iv) Julia

What is the time complexity for breadth-f‌irst search algorithm? Given, d = depth.

Output of code in MATLAB? z = [3 4 -2 6]: Q = [6 8; 9 -4]; polyva|m(z, Q)

Which of the following statements is/are correct about an Artif‌icial Neural Network (ANN)?

Which of the following statements is/ are correct about the Vowpal Wabbit?

XGBoos it provides interfaces for which of the following options? i) C++ ii) R iii) Python iv) Julia