Joseph Jose

5 Questions 5 Answers 0 Followers

Questions related from Joseph Jose

Choose the best decision tree from the below results ?

i was making a classification model ( 3 class ) for early detection of cracks in ball bearings, the data set is limited 120 rows and 14 features. the classifiers and their parameters is listed...

13 July 2021 4,278 6 View

Does all the features need to be calculated every time while using a ML model or only selected features?

Suppose i am building a machine learning model, the data consists of 100 features (say), After feature selection i concluded that only 10 features are required for the classifier. So for a new...

16 May 2021 1,546 8 View

How to compute Training accuracy and Testing accuracy of AI classifier with K fold cross validation ?

recently i came across training accuracy and testing accuracy and i am having following doubts. 1. Is training accuracy and testing accuracy defined for K-fold cross validation method or is it...

14 May 2021 1,138 11 View

How many data points are minimum required to Train a classifier?

I am using a SVM (supervised) classifier for internal leakage fault detection and classification of a hydraulic actuator, i am considering 3 stages of fault namely low,medium and high levels of...

12 May 2021 3,494 11 View

In AI based fault classification, how can i justify the use of a feature extraction method and feature selection method over another?

In AI based fault classification methods how can i justify a particular feature extraction method (like frequency filtering method) over other methods and how the use of a particular feature...

12 May 2021 6,301 2 View