How to implement filter-wrapper feature selection methods for data classification?

First stage : filter Second stage: wrapper

03 April 2018 8,204 8 View

Can you help me to find data minig journal with IF less than 1 ?

As a start, I want to publish data mining paper in journal with small impact factor

01 February 2018 8,917 0 View

What are chaotic maps and how I can use it in swarm algorithms for feature selection?

Your toughest technical questions will likely get answered within 48 hours on ResearchGate, the professional network for scientists.

11 December 2016 3,178 0 View

How can I use swarm algorithms for feature selection?

11 December 2016 6,095 10 View

What is the last swarm algorithm?

11 December 2016 1,471 0 View

How to store a row vector of numbers into cell array to write the result in excel sheet in matlab ?

11 December 2016 4,714 0 View

I am working in data classification using metaheuristic ( and swarm )feature selection , i appply svm,knn in the original dataset without fs ?

i am working in data classification using metaheuristic ( and swarm )feature selection , i appply svm,knn in the original dataset without fs (100 features) and record the accuracy in weka tool and...

07 August 2016 1,805 3 View

How can i use swram algorithms for feature selection for data classification ? can you send me a useful papers and matlab codes?

How can i use swram algorithms for feature selection for data classification ?can you send me a useful papers and matlab codes

06 July 2016 4,909 5 View

What is the last swarm algorithm and how i use it for feature selection ?

there are many swarm algorithms , what is the last one and how i use it for feature selection ?

06 July 2016 5,964 8 View

No title

I've been doing research on feature selection, but I'm missing some codes that are available to help me, and I hope that someone can help, provide a feature selection method based on UCI data...

11 December 2015 5,024 9 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'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

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

Timeout error!! Processor in the loop (PIL) using STM32F4 Matlab 2018a?

Dear Researchers I am trying to perform a PIL simulation using STM32F4 Discovery board and comunication serial USB TO TTL. During simulation I receive the following timeout error: An error...

01 March 2021 2,327 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

How to eliminate Steady state error from Reinforcement learning genetic algorithm code?

The following code (see 1st 2 images attached) is used to produce PID controller values that are designed to control the system (G). The code finds the PID controller values (noted as k) by using...

28 February 2021 6,560 14 View