Types of Classification Errors under Machine Learning?

what are the other types of classification errors while using machine learning such as False Positive or False Negative.?

05 June 2017 9,164 3 View

How ensemble method reduced classification errors during prediction?

How dependent ensemble method (j48 with realadaboost) reduced classification errors during prediction?

04 May 2017 3,975 2 View

How to measure classification errors using weka?

how to measure classification errors using weka. can we take the value of RSME or etc to utilize for taken the classification rate?

04 May 2017 4,095 7 View

How Dependent ensemble (e.g. realadaboost with J48) method reduced classification errors during prediction?

Actually i am applying dependent ensemble which don't have multiple classifier. its only do ensemble a meta classifier like (realadaboost) with other one classifier like J48.. how they both work...

04 May 2017 8,208 1 View

Is there any sequence mandatory during prediction task or i can use from which i got better results ?

Some studies used first preprocessing, feature selection, data balaning, model building etc. and some follows pre-processing, data balacing, feature selection etc. Can we adopt sequence which...

04 May 2017 1,581 1 View

What does mean by ensemble method in machine learning?

if in a model i used a weak learner decision tree with an ensemble method adaboost for increasing accuracy. Q1: what will be called this model. Is it dependent ensemble model or other? Q2:How...

04 May 2017 2,138 3 View

How to know that our dataset is imbalance?

if i have 1200 instances total and i want to classify in binary class. One class is "yes" having 900 and second class is "NO" having 300 instances. how i can know the dataset is unbalanced and...

03 April 2017 6,865 7 View

SMOTE using Weka?

i want to make balance data usnig SMOTE in weka but there is no option for oversampling or undersampling.As per my knowledge SMOTE oversampling the minoroity class but when i apply it then it...

03 April 2017 3,061 1 View

Feature Selection using Weka?

kindly Confirm me the following steps of feature selection using weka. 1: open file and choose dataset. 2: click on select attribute 3: choose attribute evaluate and search method 4: selection of...

03 April 2017 3,063 13 View

IS accuracy and correctly classified instances are same. if same then therir formulas will also be same using weka?

02 March 2017 556 5 View

Can NFL theorem be valid in infinite search space in ML?

NFL theorem is valid for algorithms training in fixed training set. However, the general characteristic of algorithms in expanded or open dataset has not been proved yet. Could you show your...

01 March 2021 1,189 3 View

Is there any research regarding how training and development is going to change in the era of Fourth Industrial Revolution?

As the organizations getting prepared for the fourth industrial revolution, to enhance the skills of their workforce what type of changes are necessary and going to occur in the training and...

01 March 2021 3,199 3 View

Which group formation theory do you recommend for projects that aim to bring together entrepreneurs for training for regional development?

I would like to have ideas about which theories of group formation are suitable for entrepreneurial training projects, with the aim of creating bonds, building trust, and collaboration for...

28 February 2021 4,223 2 View

Is anyone familiar with the cyclic compressive fatigue testing (BS EN 12697 - 25) ?

I would like to get more information on the cyclic compressive fatigue testing (BS EN 12697 - 25) which is typically done for bituminous material in pavement design. Any one can advise on the...

28 February 2021 2,004 3 View

Can we recognize signs of the "volatility clustering" property of a time series in its time domain plot?

My purpose is to recognize the volatility clustering property without statistical tests such as The Lagrange Multiplier (LM) test.

24 February 2021 4,150 3 View

Satellite orbit estimation using Recurrent Neural Network - what should I use?

Hello, I am a master's student studying in Yonsei Univeristy, Korea. I am trying to estimate the state of satellite, using Neural Network. Below is a simple flow of my study. 1. Train (t0 ~ t1)...

23 February 2021 6,383 3 View

Can the problems of overfitting be solved without cross validation?

For an overfit data set the cross validation error will be much bigger than the training error. Is it true or false?

23 February 2021 3,616 2 View

How to manage western blot for proteomics data validation?

Hi Everyone, I am a bigginer in western blotting and I am trying to use it for validation of my proteomics data. I have: two regulated proteins with molecular mass of 40 and 73 kDa one control...

23 February 2021 6,671 4 View

How to assure whether a regression tree overfit or not by seeing bias-variance value of the model?

Lets consider a regression tree in which variance is 1.1065*e-10 and bias is 2.962e-13. Also the model RMSE on training set is 1.5e-5 and on training set is 1.2950e-5. Is the model is overfit or...

22 February 2021 7,755 2 View

How we can measure Kemp % in wool without using of benzene?

Would you please let me to know about the methods for measurement of medullation and Kemp % on animal? My problem is that the wool sampling and sending to laboratory is not possible. So I would...

21 February 2021 7,260 4 View