About the Data Science Interview Questions category


0

193

January 4, 2023

What is Levenshtein distance and how is it useful?


0

290

February 13, 2023

What is pruning in a decision tree algorithm?


0

182

January 9, 2023

What is the ROC curve?


0

172

January 9, 2023

What do you understand about true positive rate and falsepositive rate?


0

197

January 9, 2023

How can you calculate accuracy using a confusion matrix?


0

182

January 9, 2023

What are recommender systems?


0

182

January 9, 2023

Differentiate between univariate, bivariate, and multivariate analysis


0

224

January 9, 2023

What is the difference among UNION, MINUS and INTERSECT in SQL?


0

176

January 9, 2023

What is the difference between INNER JOIN, OUTER JOIN, FULL OUTER JOIN?


0

202

January 9, 2023

What are the difference between Clustered and a Nonclustered index?


0

181

January 9, 2023

What is the difference between Data Definition Language (DDL) and Data Manipulation Language (DML)?


0

221

January 9, 2023

What is correlation and covariance in statistics?


0

184

January 9, 2023

What is Entropy and Information Gain in decision tree algorithm?


0

190

January 9, 2023

What is the difference between Type I Error & Type II Error?


0

194

January 9, 2023

Can you explain the concept of biasvariance tradeoff in machine learning and the importance of considering it?


0

195

January 9, 2023

What are some strategies for dealing with missing data, and which imputation methods do you suggest using?


0

221

January 9, 2023

Can dimensionality reduction improve the performance of an SVM, and if so, under what circumstances?


0

192

January 9, 2023

What are some methods for evaluating the goodness of fit of a regression model?


0

264

January 9, 2023

Why is mean square error a bad measure of model performance? What would you suggest instead?


0

174

January 9, 2023

What is principal component analysis? Explain the sort of problems you would use PCA for


0

165

January 9, 2023

When would you use random forests Vs SVM and why?


0

189

January 9, 2023

Explain what precision and recall are


0

192

January 9, 2023

What is a model ensembling?


0

172

January 6, 2023

What is a hyperparameter tuning?


0

180

January 6, 2023

What is the difference between batch and online learning?


0

193

January 6, 2023

What is a support vector machine (SVM)?


0

207

January 6, 2023

What is the curse of dimensionality?


0

187

January 6, 2023

State and describe the different types of SQL joins


0

200

January 5, 2023

What is the difference between UNION and UNION ALL?


0

207

January 5, 2023
