Statistical Modeling

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Questions related to Statistical Modeling

Can we reduce the number of items in a scale to develop unidimensional construct?

The dependant variable of one of my research projects is a higher order construct (Reflective-Formative) which consists with seven sub dimensions and those dimensions are again reflected by 28...

10 June 2023 2,683 3 View

Any MATLAB expert to help with BEAR toolbox?

Dear reserachers, I am trying to run some estimate in BEAR toolbox version5.1 using my MATLAB2018b. I do encounter an error each time I tried to run an estimate even trying to run the replication...

06 August 2022 9,247 3 View

How can one analyse weighted longitudinal networks with SAOMs ?

Dear all, I would like to know if it is possible to use SAOMs (Stochastic actor oriented models) to analyse weighted networks? Thank you in advance, Léa DAUPAGNE

15 January 2021 4,023 4 View

What is the best statistical models for discrete data? And the sampling technique for discrete data?

I was looking for best statistical model for my research, my research concerning pregnant women. Also what is the suitable sampling technique can be used?

12 January 2021 984 3 View

How to make a statistical model for ore body estimation using python ?

I am working on a project, for that I want to make a statistical model. Please guide me for data and different operations used in this project.

04 December 2020 2,893 3 View

Is it possible to analyze weighted networks dynamics with temporal ERGMs (TERGMs)?

Dear all, I would like to know if it is currenly possible to use temporal ERGMs (Exponential Random Graph Models) for analyzing weighted networks? For now, it seems that software packages...

16 November 2020 7,747 3 View

Which statistical model to choose to predict mode selection when dependent variables contains nominal, ordinal and continious variable?

I want to statistically model mode choice behavior ( modes: bus, train, car, other modes). My independent variables are gender(male/female), car ownership (yes/no), age (continuous), household...

21 October 2020 8,764 5 View

Which statistical model to use for samples taken over time?

Hello everyone, I am currently analyzing my dataset, I have obtained body weight data in insects for 7 days consecutively exposed to six different treatments in triplicates. I would like to...

14 October 2020 5,760 12 View

Examples on statistical models that incorporate temporal and spatial autocorrelation simultenously??

Does anyone have an example to share on a statistical model that incorporates temporal and spatial autocorrelation terms simultaneously? Examples in ecology and hydrology research would be...

09 September 2020 785 2 View

Question in the field of statistics, about the statistical model (Mahalanobis Distance). I want to know when it is good and supports regression?

Dear: Within the statistical process, there is a model (Mahalanobis Distance) that is used to support the regression. When is the ratio good on this scale? And why most Arab studies do not rely on...

20 April 2020 7,419 3 View

What statistical model to pick to evaluate economic growth?

Hi all, My paper is looking at the most significant determinants of u.k. economic growth. I will look at macroeconomic , technological, human capital, socio-geographical and governance variables...

02 April 2020 3,331 4 View

Which error families are allowed in generalized least squares models?

Which error families are allowed in generalized least squares (gls) models? Can I have, for example, a binomial glm and define a covariance structure (which, I guess, makes it a gls) in it (see...

29 March 2020 4,867 6 View

Which is the best statistical model/method for accurate forecast of area, yield and Prices?

Accurate forecast can’t be possible by ARIMA model, generally used for forecasting.

02 February 2020 1,576 4 View

How do voter data companies collect or match info?

I have been recently studying proprietary voter files and data. While I know that voter files are for the most part public (paid or free), I am confused as to how companies match this data to...

31 January 2020 7,627 1 View

What statistic do I use on non-parametric data where I have a response variable and two interacting categorical explanatory variables?

I was wondering whether anyone had any suggestions as to what statistic to use (I use R Studio). I have some muscle cell circumference measurements (response) and I have two explanatory variable...

28 January 2020 5,941 3 View

What statistic do I use on non-parametric data where I have a response variable and two interacting categorical explanatory variables?

I was wondering whether anyone had any suggestions as to what statistic to use (I use R Studio). I have some muscle cell circumference measurements (response) and I have two explanatory variable...

01 January 2020 9,952 3 View

How do voter data companies collect or match info?

I have been recently studying proprietary voter files and data. While I know that voter files are for the most part public (paid or free), I am confused as to how companies match this data to...

01 January 2020 3,227 2 View

How the predictor and interaction coefficients for mathematical model are determined by interpreting the results of Response surface methodology?

There are some works in literature in which selectivity models are developed in Minitab software by response surface methodology based on the data that have been collected by other researchers and...

15 November 2019 7,709 11 View

Can I use beta regression when the response variable takes the values 0 and 1?

For my analysis I have a continuous quantitative variable (whose values are between 0 and 1) that I consider to be a dependent variable and qualitative and quantitative explanatory variables....

11 November 2019 9,973 5 View

Which terms must be included to the statistical model in response surface methodology?

If I have two parameters, A and B, is it always better to include A*A*B and A*B*B, or just A*B is enough. Generally, what is the basis for choice, does it depend on the number of factors,...

11 November 2019 3,700 2 View

Is there any literature, research or model connecting the factors of Technology Entrepreneurship and Employment in technollogy-oriented firms?

I am interested in literature or research-results connecting Technology Entrepreneurship (either as a general concept or as a discrete variable) with Employment in high technology firms, (as a...

01 November 2019 4,639 3 View

How can one estimate the sample size of an unknown population for qualitative research?

If you want to estimate a sample size for a qualitative research in an unknown population, what is the suitable statistical model to use?

22 October 2019 9,384 3 View

How to estimate numbers of different type of particle contacts in powder mixtures ?

I am looking for statistical models (or results of relevant numerical simulations) to estimate the number of different types of contacts between particles in a powder mixture. The simplest case...

10 October 2019 4,016 1 View

Estimation of statistical model for customers who if buying Y1, may buy Y2 from the same company with other factors?

Dear Members, I am studying customer behavior towards buying products from a specific company. The company has three different products, Y1, Y2, Y3. These are agricultural inputs and coded as...

11 July 2019 8,084 2 View

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