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I was interviewed in Mar 2023.
I applied via LinkedIn and was interviewed in Oct 2021. There were 5 interview rounds.
Machine learning evaluation metrics are used to measure the performance of a model.
Accuracy
Precision
Recall
F1 Score
ROC Curve
AUC
Confusion Matrix
Mean Squared Error
Root Mean Squared Error
R-squared
I applied via LinkedIn and was interviewed in Oct 2021. There were 5 interview rounds.
Many Mcq,s.Similar to cat exam
Ml case study . Eg loan default prediction
Investigate the model performance metrics and adjust the threshold for classification.
Analyze the confusion matrix to understand the distribution of false positives.
Adjust the threshold for classification to reduce false positives.
Consider using different evaluation metrics like precision, recall, and F1 score.
Explore feature importance to identify variables contributing to false positives.
I applied via Campus Placement and was interviewed before Jul 2023. There were 3 interview rounds.
Medium General Aptitude questions and technical(Big Data, Python etc.)
Understanding deep equations and algorithms in DL and ML is crucial for a data scientist.
Deep learning involves complex neural network architectures like CNNs and RNNs.
Machine learning algorithms include decision trees, SVM, k-means clustering, etc.
Understanding the math behind algorithms helps in optimizing model performance.
Equations like gradient descent, backpropagation, and loss functions are key concepts.
Practica...
I applied via Campus Placement and was interviewed in Dec 2022. There were 4 interview rounds.
Hard level aptitude questions... Time taking sums
I applied via Job Portal and was interviewed in Aug 2023. There were 2 interview rounds.
Aptitude test for about an hour.
Parameters used in a random forest include number of trees, maximum depth of trees, minimum samples split, and maximum features.
Number of trees: The number of decision trees to be used in the random forest.
Maximum depth of trees: The maximum depth allowed for each decision tree.
Minimum samples split: The minimum number of samples required to split a node.
Maximum features: The maximum number of features to consider when
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