FUNDAMENTALS OF COMPUTER

DATABASE FUNDAMENTALS

BASICS OF BIG DATA

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the following options is/are true for K-fold cross-validation?1. Increase in K will result in higher time required to cross validate the result.2. Higher values of K will result in higher confidence on the cross-validation result as compared to lower value of K.3. If K=N, then it is called Leave one out cross validation, where N is the number of observations.
A
1 and 2
B
2 and 3
C
1 and 3
D
1, 2 and 3
Explanation: 

Detailed explanation-1: -Q22) Which of the following options is/are true for K-fold cross-validation? An increase in K will result in a higher time required to cross-validate the result. Higher values of K will result in higher confidence in the cross-validation result as compared to a lower value of K.

Detailed explanation-2: -1. Which of the following is correct use of cross validation? Explanation: Cross-validation is also used to pick type of prediction function to be used.

Detailed explanation-3: -K-Folds cross validation is one method that attempts to maximize the use of the available data for training and then testing a model. It is particularly useful for assessing model performance, as it provides a range of accuracy scores across (somewhat) different data sets.

There is 1 question to complete.