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Questions related to Statistical Modeling
Hi everyone, I'm currently looking for a statistical model to analyse competition between three individuals/species. So far I have only been able to find papers where they focus on one individual,...
01 January 2017 2,288 4 View
The model includes the following variables (N=367): (i) X is an independent variable(ii) Y is dependent variableThe result shows following significant relationships:(i) c= X--->Y; Beta...
12 December 2016 1,804 2 View
Good evening. I am developing a thesis on the "The effect of R&D direct subsidies on innovation performance: an analysis of the Spanish construction industry." My dependent variable is R&D...
12 December 2016 4,482 0 View
For an application that is akin to credibility theory from actuarial sciences I am looking to use different input parameters for a simulation model. Assume there are different sources and we do...
12 December 2016 7,529 4 View
Hi! I have researched effect of inconstant room temperature (27oC plus minus 2oC) and constant temperatures (30,35, and 40oC) on growth and development of Lasioderma serricorne and zero values...
12 December 2016 8,976 10 View
The GT model and the GW model are two classic asperity contact model, which are are widely used, respectively. However, for one same contact, it seems the two models would have different...
11 November 2016 9,961 3 View
Consider the following expression xHAx, where x is a known vector, i.e. a determinisitc parameter, and xH its hermitian, and A is a hermitian, positive semi-definite matrix constructed as the...
11 November 2016 2,990 3 View
I aim to allocate subjects to four different experimental groups by means of Permuted Block Randomization, in order to get equal group sizes. This, according to Suresh (2011, J Hum Reprod Sci) can...
11 November 2016 8,083 4 View
Dear all, I have to use two different strategies to generate background points for two types of models (MaxEnt versus other models such as RF, GLM) for reducing sampling bias. Since I couldn’t...
22 October 2016 1,568 3 View
We compared the effects of a sublethal biopeseticide (after applied LC 50 value) on different biological parameters (time of development, length of life, parasitism ...) of the three different...
10 October 2016 1,519 4 View
I have 5000 sample data recorded from real experiments. From that data how can we know which statistical model does it follow? That means, if we have given sample data, is it possible to develop...
10 October 2016 2,469 4 View
10 October 2016 6,127 3 View
In the case of imbalanced classified data, oversampling is a standard technique to avoid the learner to be biased toward the most represented class. In the case of cross-validation, we have two...
10 October 2016 1,300 6 View
Hi, for a validation study of a new IQ test I have data from people taking two test batteries, say battery A and battery B. The subtests in terms of test type are the same (the usual number...
09 September 2016 2,669 6 View
Pls discuss, stratified randomization and excel method leads to accumulation of group having all the less body weight animals
08 August 2016 7,790 5 View
In many times, breeders tend to evaluate large pool of germplasm. From a few hundreds to thousands in network research models. Is ABD the best design in such scenario. Or We need improvements? Or...
08 August 2016 9,010 4 View
Dear all, I made a EBSP analysis in BEAST 2.4. The analysis was good but I can not make the chart from ebsp.log file as described in the tutorial. I tried to make the graph in R studio (windows)...
08 August 2016 2,642 3 View
I have inputted my occupancy data which generated an AIC of 764.46. I then inputted my site co-variate data and ran the model, but it did not change at all. I suspect that it is not reading my...
08 August 2016 6,437 4 View
Has anyone used an ordinal logistic regression model to analyse factors associated with severity of periodontitis using the CDC-AAP Case Definition, using 4 categories: Healthy, mild, moderate and...
07 July 2016 8,698 2 View
Dear all. How to calculate Scalar invariance in AMOS without estimate means and intercepts? Thanks
07 July 2016 7,945 5 View
In our project analysis,each subject in the cohort was assessed at two different time points with 5 years apart on whether or not he/she develops diabetes(this is our outcome variable, yes/no) ,...
06 June 2016 5,978 6 View
I want to compare the evidence for three models using AIC criteria. I have three models that I want to compare. Two models were computed using non-linear least squares. One model was computed...
06 June 2016 9,449 8 View
I'm looking for any data on Population Statistics or Modelling for the past periods to compare them with our results extracted from Wikipedia biographical pages (see attached links).
06 June 2016 7,569 3 View
I have recently received the following comments on my manuscript by a reviewer but could not comprehend it properly. I am alien to the concept of Common Method Bias. "Recent editorial work has...
06 June 2016 513 28 View