Answer Posted / Pravesh Kaushik

The harmonic mean is used to calculate the F1 score because it provides a more accurate measure of average performance when dealing with ratios, such as precision and recall. The harmonic mean penalizes larger differences between values more than the arithmetic mean, which makes it a better choice for balancing precision and recall in the F1 score calculation.

What are standardization and normalisation? Give one advantage of each over the other?

74

Do you have research experience in machine learning?

74

Tell me what are the last machine learning papers you've read?

209

Tell us do you have research experience in machine learning?

150