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

What is the ratio of training and testing instances used in 10-fold cross validation?

04 May 2017 5,398 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

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

How to compare two groups with only two measurements?

Hiiiii everyone! I have an enquiry on statistical analysis. I was looking for many forum and it's still cannot solve my problem. I want to compare means of two groups of data but only with two...

03 March 2021 8,796 3 View

What kind of fluid could I use for a pitfall trap that also does not invalidate molecular testing?

Hi, I want to start testing pitfall trap to obtain ants samples, but I need to conduct molecular analysis on those insects. So, what kind of fluid can I use? Ethanol expires too early and I need...

03 March 2021 5,978 5 View

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10?

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10? Since, the growth curve from day 2 to 10 won't be like the "Logistic curve" it might not follow logistic...

03 March 2021 1,401 3 View

How to increase a model accuracy ?

dear community, my model is based feature extraction from non stationary signals using discrete Wavelet Transform and then using statistical features then machine learning classifiers in order to...

03 March 2021 6,994 5 View

1. What is the impact of having different scales in a survey? and how can we solve this problem before and after data collection (Literature)?

1. What is the impact of having different scales in a survey? and how can we solve this problem before and after data collection (Literature-based reflection)? Thank you for your time and for...

03 March 2021 2,870 3 View

What degree of missing data in a particular case/participant results in Expectation-Maximisation no longer working?

I'm dealing with a mediation model and am using the PROCESS module in SPSS. Due to SPSS and PROCESS being limited in the imputation methods - being unable to handle multiple imputation - the other...

02 March 2021 4,362 1 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

Would fecal samples stored at -20C for over a year impact metagenomic analysis?

Dear All, I have access to some rodent fecal samples that have been stored at -20C instead of -80C. Anyone have experience with the impact of stowage condition on comparative metagenomic analysis...

01 March 2021 2,512 1 View

Does anyone know how to plot my station to a section plot on Ocean Data View (ODV)?

I made a vertical section plot with WOA .nc file on ODV, and now I want to plot my stations (csv. file) in it. Does anyone know how to import my points to the section? They are two different...

01 March 2021 3,610 1 View

How to address this issue in the analysis of Real-Time PCR results?

To dear Researchers, I was analyzing a series of concentration for estimation of Real-Time PCR efficiency. The concentration was 1:10. I used MS-excel to evaluate Slope. The result of slope was -8...

01 March 2021 8,683 4 View