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Francisco de Castro


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Last seen: 4 Monate vor Aktiv seit 2007

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Beantwortet
Degrees of freedom in a kernel density estimation
I found a solution for my own question. The degrees of freedom can be can be estimated as the trace of the smoothing matrix. Thi...

10 Monate vor | 0

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websave adds html to file name
Any reason why 'websave' adds a '.html' to the name of the output file? I'm downloading coronavirus data from John Hopkins Univ...

fast 4 Jahre vor | 2 Antworten | 1

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Degrees of freedom in a kernel density estimation
Is there any way to estimate the degrees of freedom from a kernel density estimator? Background: I want to compare the fitting...

etwa 4 Jahre vor | 1 Antwort | 0

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Beantwortet
What happened to allfitdist ?
A bit late, perhaps, but function 'fitmethis' in matlab's file exchange does something similar to allfitdist.

etwa 4 Jahre vor | 0

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Why does Jpattern option not improve execution time of ODE solver?
I have a system of ~100 ODEs. They represent interactions between species in an ecosystem. Each species interacts only with a sm...

mehr als 5 Jahre vor | 0 Antworten | 0

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Thresholds in ODE solvers
I found a partial (and not very elegant) solution for this, albeit only for some of the ODE solvers. 1. Write the example od...

mehr als 5 Jahre vor | 0

Beantwortet
Is there any way to use multiple tolerances in ODE solvers?
Thanks Torsten, your suggestion may be the solution. If you put it as an separate answer I'll mark it as accepted. F

fast 6 Jahre vor | 0

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Is there any way to use multiple tolerances in ODE solvers?
I'm frequently using systems of ODEs to simulate the dynamics of ecological communities. The number of equations is large: from ...

etwa 6 Jahre vor | 4 Antworten | 0

4

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Heterogeneity in linear model
I'm fitting a generalized linear model. The response variable has a gamma distribution. I have 1 fixed (categorical) factor with...

etwa 7 Jahre vor | 0 Antworten | 0

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Beantwortet
Good plotting functions for food webs?
Hi Edward, Maybe too late, but I updated plotfoodweb to plot in 2D. Not arrows, just lines, but still. Hope it helps.

mehr als 8 Jahre vor | 0

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Is Bonferroni adjustment applied to p-values by default?
Do the MATLAB procedures that perform multiple regression (specifically GeneralizedLinearModel.stepwise) apply the Bonferroni ad...

mehr als 9 Jahre vor | 0 Antworten | 0

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McKendrick - von Foerster equation
Can anybody suggest a step-by-step explanation of how to set up, in MATLAB, the McKendrick - vonFoerster equation for age-struct...

mehr als 9 Jahre vor | 0 Antworten | 1

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non-linear fit with generalized least squares
I need to fit a non-linear model in which the data are not independent. A Generalized Least Squares approach allows this if you ...

fast 11 Jahre vor | 0 Antworten | 0

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Stdev from gmdistribution.fit?
I'm using function gmdistribution.fit to fit data which is a mixture of three normal distributions with different means and diff...

etwa 11 Jahre vor | 1 Antwort | 0

1

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Compare fits in CFTOOL
Is there any way in CFTOOL (v3.3, R2012b) to plot two fits together (in the same figure)? So I can show their differences graphi...

mehr als 11 Jahre vor | 0 Antworten | 0

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fitting implicit functions with NLINFIT
Is there any way to use implicit functions when fitting them to data with NLINFIT? Details: I need to fit a model to some data...

mehr als 11 Jahre vor | 2 Antworten | 0

2

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Vectorization in an array of structures?
I seem to be unable of vectorize a simple calculation with the contents of an array of structures. Is this possible at all? Exam...

fast 12 Jahre vor | 2 Antworten | 0

2

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Why deviance returned by GLMFIT is not = -2*LogLikelihood?
I'm working with GLM models using glmfit. After fitting the model I need to calculate the LogLikelihood (which is not returned d...

etwa 12 Jahre vor | 1 Antwort | 0

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Beantwortet
Multivariate GLMFIT and GLMVAL
Peter, thanks for your comment. However, to plot the predicted values of the model I need the values of each predictor to span i...

mehr als 12 Jahre vor | 0

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Multivariate GLMFIT and GLMVAL
I have a problem with plotting the results of a glm model with several predictors. I first fit the model with GLMFIT as: ...

mehr als 12 Jahre vor | 3 Antworten | 0

3

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Thresholds in ODE solvers
Working with models of ecological communities based on diff. equations, I want to define a extinction threshold. If, during the ...

fast 13 Jahre vor | 2 Antworten | 0

2

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