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Questions tagged [modeling]

Modeling is the constructing and manipulating abstract (mathematical and/or graphical) representations of economic, engineering, manufacturing, social, and other types of situations and natural phenomenon, simulated with the help of a computer system.

Modeling is the construction and manipulation of abstract (mathematical and/or graphical) representations of economic, engineering, manufacturing, social, and other types of situations and natural phenomenon, simulated with the help of a computer system.

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Modeling and identiying curves

I have made measurements on sensors (light,humidity etc.) and I result in statistical curves/graphs. When I do the same experiments, I get a curve that looks like the previous in general, not the same of course. What I want is to model the curve and…
just_learning
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Modelling C Programs

I have done some research on this question and most answers are a few years old or suggest just using text. I need to model some C code I have developed for an embedded system. It is not massively complex but there are a great number of functions…
Draineh
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information criteria for confusion matrices

One can measure goodness of fit of a statistical model using Akaike Information Criterion (AIC), which accounts for goodness of fit and for the number of parameters that were used for model creation. AIC involves calculation of maximized value of…
Boris Gorelik
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Transportation optimization with collaboration between companies - Mathematical Modelling

I am taking a course that utilizes mathematical modeling and am working on a model for optimizing transportation routes. In the problem, we are given the sets C (all transportation companies in the problem), I (all supply points available for all…
user
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Eclipse EMF Compare for XML files

I am trying to follow up this link: http://wiki.eclipse.org/Comparing_XML_files_with_EMF_Compare in order to use EMF Compare for XML files. It seems this is possible with Eclips by providing the XML schema (.xsd). By following the sub-tutorial on…
Milos Cuculovic
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What are the main benefits and motivations for creating new algebraic modeling languages (AML) nowadays?

In the last few decades, there were multiple algebraic modeling languages (AML) created, e.g., AMPL, GAMS, AIMMS, are among the most well-known and widely used names. I've been using mainly the first two options. However, recently, new AMLs were…
Remis
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Optimization for modeling parameter deviations

I would ask for a little help with my problem in finding an optimization procedure. I have to explain certain steps of my work and I hope I can explain my problem clearly... Currently I am conducting research on missing data in R working with…
Norbert Schoening
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How do you account for a correlation in a two variable distribution?

Data here, with trendline - https://i.stack.imgur.com/iljp6.jpg Hey everyone, I'm tinkering around with admissions stats and I wanted to construct a model that can be used off only one variable. IE, what are your chances of getting admitted with a…
DavidDash
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with what logic results are retrieved when a aggreerate function is applied on columns having text data ..?

So I was retrieving some values from few set of tables of a database for making a dataset.Each and every column of that dataset is dependent on the value of a column having primary key. So the problem is here... there is column having textual data…
Anjan Tiwari
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Feedback on UML Class Diagram

I am creating a Class Diagram for a simple booking system for the theater. I would like to know if the diagram makes any sense and if anything needs to be changed (arrow directions) in order for it to be correct? Thanks. Image URL:…
Sandeep Bansal
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Extracting and applying polynomial equations in R

I have a set of polynomial equations that I have developed to examine the relationship between mercury concentrations in fish by year while taking into account the effect fish length has on mercury concentrations. The years examined are groups into…
Stephanie
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How to import an obj file containing RGB data at unity

The document was translated into Google Translator. I have an obj file containing vertex position and the RGB data for that vertex. The corresponding obj file code is as follows. obj.file : v 27.795225 -8.144943 -10.956295 0.647059 0.313726…
Lee
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Class Diagram Feedback

Just wondering if anyone can give me feedback on my class diagram. I want to make sure it's correct and also any changes that are needed to it. Thanks Image link: https://i.stack.imgur.com/k4RA2.jpg
Sandeep Bansal
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how to extract formula from coxph model summary in R?

I am able to replicate the coxph model and the extraction of components as outlined in the tutorial here:http://www.sthda.com/english/wiki/cox-proportional-hazards-model. However, I am struggling to extract the formula object from the…
Moe
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