How to use Genetic Algorithm & Greedy Method for time series forecasting?

Weka has an add on but literature is not available

04 May 2017 981 3 View

How to use Genetic Algorithm & M5 Method for time series forecasting?

Weka had an add on the topic but details of the algorithm are not available.

04 May 2017 8,452 5 View

Which is best measures of machine learning model evaluation?

In fact I am keen to know among two measures, i.e., AUC or Accuracy in the context of direct marketing scenario.

04 May 2016 5,691 2 View

Which is the best algorithm of cluster analysis?

I have read literature from different sources as well solved examples. However, it was not possible for me to identify best algorithm for a given set of data. The clusters created with one...

01 February 2016 1,707 6 View

What is an appropiate sample size in generating a decision tree using C 5.0 or ID3 algorithms?

It is perceived that data mining algorithms are used for large sample sets. I am keen to know some references wherein some critical information is given about appropriate sample size for fitting...

31 December 2015 8,670 0 View

How many times during the year fogging ultra-low-volume insecticide particles is needed to control dengue fever?

Fogging of ultra low volume insecticide particles is done to control dengue fever. How many times fogging should be done if let us assume spread start in July in terms of few cases and end in...

09 October 2015 5,157 0 View

What should be right size of sample in survey research?

04 May 2015 7,193 24 View

How much percentage of GDP must be invested in agriculture research by a country?

Food is most important component human life. Without food one can not live. We often see shortage of food in certain part of the world or may see in future with increasing population. To meet this...

11 December 2014 9,204 2 View

Is rapid change in mobile technologies good for world economy?

The large number of countries have yet to set 3G networks still in the same country vendor are looking for 4G markets. It forces some countries to unnecessarily invest before time in my opinion....

11 December 2014 3,371 9 View

Social Network Rating of institutions & accreditation

I see many social network websites are rating academic institutions as is the case of research-gate. In your view there is a need to include this rating as one of the parameter for the process of...

06 July 2014 8,977 2 View

Logistical regression using SPSS for a dichotomous dependent variable, with an independent variable of 1, 2, 5 and 10 seconds?

I have an experiment with 28 participants The independent variable is the times 1, 2, 5, and 10 used as the cross hairs during a task These 4 times were tested using 4 different blocks, each...

03 March 2021 9,692 2 View

Do I need to do linear regression before running mediation analysis using PROCESS MACRO by Hayes ?

I just wanted to check if I need to run a linear regression separately if I am using PROCESS MACRO to run mediation analysis. Thank you.

02 March 2021 4,359 3 View

How to repeat an operation on an atom selection for multiple times in PyMol?

Hi, I am trying to construct a multi-layer fibril structure from a single layer in PyMol by translating the layer along the fibril axis. For now, I am able to use the Translate command in PyMol...

02 March 2021 4,569 4 View

What analysis to choose with a large neste dataset and clearly skewed or kurtotic distributions?

Hello! I have a dataset of n=3000 nested within 8 countries with approximately 200 or 400 responses in each country. I originally planned to perform multilevel modelling with 4 dependent variables...

02 March 2021 6,865 1 View

How to choose ANN number of hidden layers and nodes?

Hello, Could you please share any interesting research explaining how to choose the number of hidden layers and nodes per layer in case of regression problems using ANN? Thank you, any help would...

01 March 2021 6,200 3 View

Can anyone provide the Support vector regression code structure of LIBSVM MATLAB or python ?

Please, if Gaussian Parameter optimization is possible in this code structure

28 February 2021 278 3 View

How could I take into consideration the weights of observation in a system of seemingly unrelated regressions (SUR) in rstudio?

I build a model of 4 regression equations (probit and OLS) in R studio. I need to take the weights of observations into consideration. While it is simple to do so for every regression equation,...

27 February 2021 1,233 1 View

VIF very high, but correlation is low and coefficient is significant. Which one whould I choose?

Hello. I have a question whether if my coefficients (statistically significant) would be valid when VIFs are really high. In my model, there are independent variables(IV), moderating variables...

26 February 2021 956 13 View

How to plot the probability paper of Gumbel distribution using R programing?

In R-studio, there are many commands of Gumbel package. Arguments are also different. I`m asking about the alpha parameter of the Copula which must be greater than 1. If this is the one used to...

25 February 2021 5,229 3 View

Treating Intermediate Variable in Linear Regression Analysis in SPSS?

While performing the Linear regression analysis in SPSS version 26.0.0. my intermediate/mediation variable goes to the excluded section. Please share your valuable suggestion "How to restrain the...

25 February 2021 4,591 5 View