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I applied via Referral and was interviewed before Aug 2023. There was 1 interview round.
Overfitting occurs when a model learns the training data too well, leading to poor performance on new, unseen data.
Overfitting occurs when a model is too complex and captures noise in the training data.
It can be identified when a model performs well on training data but poorly on test data.
Techniques to prevent overfitting include cross-validation, regularization, and early stopping.
Example: A decision tree with too ma...
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I applied via Campus Placement and was interviewed in Nov 2023. There were 2 interview rounds.
Mutual funds are investment vehicles that pool money from multiple investors to invest in a diversified portfolio of securities.
Mutual funds are managed by professional fund managers who make investment decisions on behalf of the investors.
Investors can buy shares of mutual funds, which represent their ownership in the fund's portfolio.
Mutual funds offer diversification, liquidity, and professional management to invest...
I applied via Recruitment Consulltant and was interviewed before May 2023. There were 2 interview rounds.
Machine learning algorithms are used to analyze data and make predictions or decisions without being explicitly programmed.
Machine learning algorithms can be categorized into supervised, unsupervised, and reinforcement learning.
Examples of machine learning algorithms include linear regression, decision trees, support vector machines, and neural networks.
These algorithms learn from data to improve their performance over...
I applied via Campus Placement and was interviewed before Jul 2023. There was 1 interview round.
Developed a predictive model to forecast customer churn for a telecommunications company.
Identified key features such as customer tenure, monthly charges, and service usage
Collected and cleaned data from customer databases
Built a machine learning model using logistic regression or random forest algorithms
Evaluated model performance using metrics like accuracy, precision, and recall
Provided actionable insights to reduce
Types of errors in statistics include sampling error, measurement error, and non-sampling error.
Sampling error occurs when the sample does not represent the population accurately.
Measurement error is caused by inaccuracies in data collection or measurement instruments.
Non-sampling error includes errors in data processing, analysis, and interpretation.
Examples: Sampling error - selecting a biased sample, Measurement err...
Types of machine learning models include supervised learning, unsupervised learning, and reinforcement learning.
Supervised learning: Models learn from labeled data, making predictions based on past examples (e.g. linear regression, support vector machines)
Unsupervised learning: Models find patterns in unlabeled data, clustering similar data points together (e.g. k-means clustering, PCA)
Reinforcement learning: Models le...
get_dummies() function in pandas library is used to convert categorical variables into dummy/indicator variables.
get_dummies() function creates dummy variables for categorical columns in a DataFrame.
It converts categorical variables into numerical representation for machine learning models.
Example: df = pd.get_dummies(df, columns=['column_name'])
I applied via Naukri.com and was interviewed in Jan 2021. There were 3 interview rounds.
Yes, I have worked on customer segmentation.
I have used clustering algorithms like K-means and hierarchical clustering to segment customers based on their behavior and demographics.
I have also used decision trees and random forests to identify the most important features for segmentation.
I have experience with both supervised and unsupervised learning techniques for customer segmentation.
I have worked on projects where...
posted on 30 Dec 2024
I applied via Naukri.com and was interviewed in Nov 2024. There was 1 interview round.
Konwledge of document and excell
I applied via Walk-in
I applied via Naukri.com and was interviewed before May 2020. There were 3 interview rounds.
I applied via Campus Placement and was interviewed in Dec 2023. There were 3 interview rounds.
Few questions were given on strings and linked list.
Is AI good or bad .
based on 1 interview
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