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I applied via Approached by Company and was interviewed in Aug 2023. There was 1 interview round.
Logistic regression can be applied for multiclasstext classification by using one-vs-rest or softmax approach.
One-vs-rest approach: Train a binary logistic regression model for each class, treating it as the positive class and the rest as the negative class.
Softmax approach: Use the softmax function to transform the output of the logistic regression into probabilities for each class.
Evaluate the model using appropriate...
I applied via LinkedIn and was interviewed before Apr 2023. There was 1 interview round.
fbprophet is a forecasting model developed by Facebook that uses time series data to make predictions.
fbprophet is an open-source forecasting tool developed by Facebook's Core Data Science team.
It is based on an additive model where non-linear trends are fit with yearly, weekly, and daily seasonality, plus holiday effects.
fbprophet can be used to forecast traffic by providing historical data on traffic patterns and usi...
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I applied via Company Website and was interviewed before Apr 2021. There were 3 interview rounds.
posted on 21 Oct 2022
I applied via Approached by Company and was interviewed in Sep 2022. There were 3 interview rounds.
Handling missing features involves techniques like imputation, deletion, and using algorithms that support missing values.
Imputation: Replace missing values with mean, median, or mode. Example: If age is missing, use the average age of the dataset.
Deletion: Remove rows or columns with missing values. Example: Drop a column if more than 50% of its values are missing.
Using algorithms: Some algorithms like XGBoost can han...
2 coding questions - one on binary tree and list operations.
Xgboost is a popular machine learning algorithm known for its speed and performance in handling large datasets.
Xgboost stands for eXtreme Gradient Boosting, which is an implementation of gradient boosted decision trees.
It is widely used in Kaggle competitions and other machine learning tasks due to its efficiency and accuracy.
Xgboost is known for its ability to handle missing data, regularization techniques, and parall...
posted on 31 Mar 2024
I appeared for an interview in Oct 2023.
Based on topological sort
posted on 13 Jun 2024
I applied via Company Website and was interviewed in May 2024. There was 1 interview round.
posted on 1 Jul 2024
Decision Trees are a popular machine learning algorithm used for classification and regression tasks.
Decision Trees are a tree-like structure where each internal node represents a feature or attribute, each branch represents a decision rule, and each leaf node represents the outcome.
They are easy to interpret and visualize, making them popular for exploratory data analysis.
Decision Trees can handle both numerical and c...
I applied via Company Website and was interviewed in Jul 2024. There were 5 interview rounds.
I applied via Campus Placement and was interviewed before Nov 2023. There were 2 interview rounds.
Detailed project discussion and 1 dsa
based on 2 interview experiences
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