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Francisco de Castro


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Last seen: 4 meses hace Con actividad desde 2007

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Respondida
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 meses hace | 0

| aceptada

Pregunta


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...

casi 4 años hace | 2 respuestas | 1

2

respuestas

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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...

alrededor de 4 años hace | 1 respuesta | 0

1

respuesta

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

alrededor de 4 años hace | 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...

más de 5 años hace | 0 respuestas | 0

0

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Respondida
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...

más de 5 años hace | 0

Respondida
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

casi 6 años hace | 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 ...

alrededor de 6 años hace | 4 respuestas | 0

4

respuestas

Pregunta


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...

alrededor de 7 años hace | 0 respuestas | 0

0

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Respondida
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.

más de 8 años hace | 0

Pregunta


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

más de 9 años hace | 0 respuestas | 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...

más de 9 años hace | 0 respuestas | 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 ...

casi 11 años hace | 0 respuestas | 0

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...

alrededor de 11 años hace | 1 respuesta | 0

1

respuesta

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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...

más de 11 años hace | 0 respuestas | 0

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...

más de 11 años hace | 2 respuestas | 0

2

respuestas

Pregunta


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...

casi 12 años hace | 2 respuestas | 0

2

respuestas

Pregunta


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...

alrededor de 12 años hace | 1 respuesta | 0

1

respuesta

Respondida
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...

más de 12 años hace | 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: ...

más de 12 años hace | 3 respuestas | 0

3

respuestas

Pregunta


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

casi 13 años hace | 2 respuestas | 0

2

respuestas