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XGBoost is a popular machine learning algorithm known for its speed and performance in gradient boosting.
XGBoost stands for eXtreme Gradient Boosting.
It is an implementation of gradient boosted decision trees designed for speed and performance.
XGBoost is widely used in machine learning competitions and has become a popular choice for data scientists.
It can handle missing data and is optimized for parallel processing.
XG...
Decision tree is a predictive modeling tool that uses a tree-like graph of decisions and their possible consequences.
Decision tree is a supervised learning algorithm used for classification and regression tasks.
It breaks down a dataset into smaller subsets based on different attributes.
Each internal node represents a feature or attribute, each branch represents a decision rule, and each leaf node represents the outcome...
I applied via Referral and was interviewed in May 2022. There were 3 interview rounds.
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posted on 2 Jan 2025
Basic python questions
I was interviewed before Feb 2023.
ACF measures the linear relationship between an observation and its lagged values. PACF measures the direct relationship.
ACF (Autocorrelation Function) measures the correlation between an observation and its lagged values.
PACF (Partial Autocorrelation Function) measures the correlation between an observation and its lagged values, while removing the indirect effects of intermediate lags.
ACF is used to identify the orde...
I applied via LinkedIn and was interviewed before Sep 2023. There was 1 interview round.
Developed predictive models for customer churn and sales forecasting using machine learning algorithms.
Built a customer churn prediction model using logistic regression and random forest algorithms.
Implemented a time series forecasting model for sales prediction using ARIMA and LSTM neural networks.
Utilized Python libraries such as pandas, scikit-learn, and TensorFlow for data preprocessing and model building.
GANs are Generative Adversarial Networks, a type of deep learning model consisting of two neural networks - a generator and a discriminator.
GANs are used to generate new data samples that resemble a given dataset.
The generator network creates fake data samples, while the discriminator network tries to distinguish between real and fake samples.
The two networks are trained simultaneously in a competitive manner, improvin...
Yes, I have published a research paper on the topic of machine learning algorithms for predictive analytics.
Published research paper on machine learning algorithms
Focused on predictive analytics
Presented findings at a data science conference
Neural networks are a type of machine learning algorithm inspired by the human brain's neural structure.
Neural networks consist of layers of interconnected nodes (neurons) that process input data and pass it through activation functions.
They use weights to adjust the strength of connections between neurons during training.
Neural networks are capable of learning complex patterns and relationships in data, making them su...
I applied via Naukri.com and was interviewed in Nov 2024. There were 2 interview rounds.
C++ basic and advance level
I was interviewed before Feb 2023.
ACF measures the linear relationship between an observation and its lagged values. PACF measures the direct relationship.
ACF (Autocorrelation Function) measures the correlation between an observation and its lagged values.
PACF (Partial Autocorrelation Function) measures the correlation between an observation and its lagged values, while removing the indirect effects of intermediate lags.
ACF is used to identify the orde...
posted on 2 Jan 2025
Basic python questions
based on 1 interview
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