|
Explain Selection Bias
|
|
0
|
396
|
January 5, 2023
|
|
What is a two-tailed test and a one-tailed test?
|
|
0
|
418
|
January 5, 2023
|
|
Given a table with duplicate data, how would you extract only specific rows based on business requirements provided?
|
|
0
|
565
|
January 5, 2023
|
|
Why would you use a Null as a data value?
|
|
0
|
458
|
January 5, 2023
|
|
How do you create a table in R without using external files?
|
|
0
|
394
|
January 4, 2023
|
|
What is a logistic regression and when do you use it?
|
|
0
|
414
|
January 4, 2023
|
|
How to make sure you are not overfitting while training a model?
|
|
0
|
422
|
January 4, 2023
|
|
What is ANOVA and when do you use it?
|
|
0
|
610
|
January 4, 2023
|
|
What is a Type I error and a Type II error?
|
|
0
|
484
|
January 4, 2023
|
|
What is sampling bias and how do you avoid it?
|
|
0
|
495
|
January 4, 2023
|
|
What are the disadvantages of a linear model?
|
|
0
|
452
|
January 4, 2023
|
|
What is K-means clustering? How can you select K for K-means?
|
|
0
|
417
|
January 4, 2023
|
|
What are the steps in making a decision tree?
|
|
0
|
478
|
January 4, 2023
|
|
What is a null hypothesis and how do you test it?
|
|
0
|
402
|
January 4, 2023
|
|
What is a confidence interval and how do you interpret it?
|
|
0
|
421
|
January 4, 2023
|
|
What is the difference between population and sample in data?
|
|
0
|
393
|
January 4, 2023
|
|
What is the central limit theorem?
|
|
0
|
414
|
January 4, 2023
|
|
What is the difference between L1 and L2 regularization?
|
|
0
|
441
|
January 4, 2023
|
|
What is cross-validation and how do you use it?
|
|
0
|
361
|
January 4, 2023
|
|
What is overfitting and how do you detect it?
|
|
0
|
404
|
January 4, 2023
|
|
What is a Normal distribution?
|
|
0
|
621
|
January 4, 2023
|
|
How do data scientists use statistics?
|
|
0
|
389
|
January 4, 2023
|