R or Python languages, which one you prefer to handle Big Data?

04 May 2015 3,032 5 View

When could us talk about Big Data for a given enterprise ?

04 May 2015 9,246 1 View

Do you think that an association rule in datamining may be considered as a rule cause and effect ?

As is defined in :http://searchbusinessanalytics.techtarget.com/definition/association-rules-in-data-mining An association rule has two parts, an antecedent (if) and a consequent (then). An...

01 February 2015 7,744 7 View

Do you know some recent references of research on the generation of non-redundant fuzzy association rule?

There are a lot of algorithms to generate classical association rules. We are interested on recent algorithms of fuzzy association rule generation. We are very grateful for your help.

31 December 2014 3,792 2 View

Do you know a trust model for recommender systems?

Using multi-agent approach, we need to modelize the trust between agents for a relevant recommendation. Thank you for your help.

04 May 2014 4,434 2 View

Can anyone help with random forest performance in object classification?

There are a lot of methods to make object classification. It seems that random forest is very used in several domains and is interesting. However, the number of classifiers or classification rules...

03 April 2014 8,823 4 View

Are there any references on collective intelligence?

How could we perform our individual intelligence based on collective intelligence? What about measures of individual intelligence or collective intelligence?

01 February 2014 5,964 5 View

I want if it is possible to have references of the best and fastest algorithms for Galois Lattice generation?

From formal context, we want to generate a Galois lattice.

11 December 2013 4,435 2 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

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 arrange coordinates and extract climate dataset out of MPI-ESM-MR netcdf files?

Have a nice day everyone, I'm stuck in extracting datasets out of MPI-ESM-MR netcdf files because the latitude ranges from -3*10^6 to 3*10^6 and longitude ranges -5,9*10^6 to 5,9*10^6. Plus, the...

28 February 2021 912 3 View

Is there any Machine Learning/AI algorithm that lets you predict with incomplete features without missing value imputation process?

For instance, the model is trained with A,B,C,D,E features to predict F target. Then, I want to make prediction on a new data, but with only A,C,D,E is known without doing missing value imputation...

28 February 2021 1,556 6 View