JBCN EDUCATION Interview Questions and Answers

My CGPA may be low, but it does not reflect my skills and abilities as a data analyst.

• My focus has always been on gaining practical knowledge and experience rather than just academic grades.

• I have taken various online courses and completed several projects to enhance my skills.

• I have also received positive feedback from my previous employers and colleagues on my work performance.

• My low CGPA does not define my potential...read more

KNN is a non-parametric algorithm used for classification and regression tasks.

• KNN stands for K-Nearest Neighbors.

• It is based on the principle of finding the k closest data points in the feature space.

• The class of the new data point is determined by the majority class of its k nearest neighbors.

• It can be used for both classification and regression tasks.

• KNN is sensitive to the choice of k and the distance metric used.

I have worked on projects involving data analysis, visualization, and predictive modeling in various industries.

• Developed predictive models to forecast sales trends in retail industry

• Performed sentiment analysis on customer reviews for a hospitality company

• Created interactive dashboards for tracking key performance indicators in a manufacturing plant

No, confusion matrix is not used in Linear Regression.

• Confusion matrix is used to evaluate classification models.

• Linear Regression is a regression model used for continuous variables.

• Evaluation metrics for Linear Regression include R-squared, Mean Squared Error, etc.