Question

iterative GA optimization algorithm

score 26 · Answer 1 · 2024-03-30T11:55:41.863000

26

Views

iterative GA optimization algorithm

Published on 30 March 2024 at 11:55

score 27 · Answer 2 · 2024-02-11T05:30:12.963000

27

Views

L-BFGS-B Needs Finite Falue of 'fn' (In one step (step) and (step -1 +dstep))

Published on 11 February 2024 at 05:30

score 84 · Answer 3 · 2023-12-21T11:03:52.673000

84

Views

Why am I getting the message "Error in fn(par, ...) : unused argument (data = list(c...."?

Published on 21 December 2023 at 11:03

score 75 · Answer 4 · 2023-11-29T07:36:42.197000

75

Views

Optim function does not give right solution

Published on 29 November 2023 at 07:36

score 102 · Answer 5 · 2023-11-27T17:31:53.083000

102

Views

Error in optim : L-BFGS-B needs a finite value of fn

Published on 27 November 2023 at 17:31

score 86 · Answer 6 · 2023-10-31T07:55:23.537000

86

Views

R minimization - reuse objects computed in function in the calculation of gradient

Published on 31 October 2023 at 07:55

score 54 · Answer 7 · 2023-10-17T18:33:19.940000

54

Views

R Optimx error : Cannot evaluate function at initial parameters

Published on 17 October 2023 at 18:33

score 35 · Answer 8 · 2023-09-23T13:17:29.863000

35

Views

Fitting of bivariate distribution using R

Published on 23 September 2023 at 13:17

score 58 · Answer 9 · 2023-09-13T14:27:03.597000

58

Views

Avoid repeating computations and dealing with constant parameters in Julia, optim

Published on 13 September 2023 at 14:27

score 51 · Answer 10 · 2023-09-12T16:27:19.057000

51

Views

optim stuck on local minima when using negative log likelihood, but not least squares

Published on 12 September 2023 at 16:27

score 39 · Answer 11 · 2023-08-31T07:26:34.650000

39

Views

Strangely different results doing Box Cox transform with R Optim and with MASS package

Published on 31 August 2023 at 07:26

score 34 · Answer 12 · 2023-08-14T09:09:35.870000

34

Views

Minimize the L1-Norm between [a*A(x1,x2)-b] by finding unknown coefficients/probabilities x1 and x2

Published on 14 August 2023 at 09:09

score 78 · Answer 13 · 2023-07-04T07:29:03.397000

78

Views

"optim" function fails to converge for maximum likelihood estimation in a random-effect model

Published on 04 July 2023 at 07:29

score 88 · Answer 14 · 2023-05-15T15:37:26.577000

88

Views

R programmable fixing of parameters in `optim`

Published on 15 May 2023 at 15:37

score 37 · Answer 15 · 2023-04-27T14:42:34.023000

37

Views

R defining a function using optim

Published on 27 April 2023 at 14:42

score 33 · Answer 16 · 2023-04-24T00:04:57.873000

33

Views

R script to plot and update optim() values after each iteration

Published on 24 April 2023 at 00:04

score 32 · Answer 17 · 2023-04-18T21:33:53.750000

32

Views

Error: initial value in 'vmmin' is not finite - Maximum Likelihood Estimation of an Ordered Probit Model

Published on 18 April 2023 at 21:33

score 208 · Answer 18 · 2023-04-15T07:50:20.320000

208

Views

Problem specifying arguments when using "optim" for MLE

Published on 15 April 2023 at 07:50

score 44 · Answer 19 · 2023-04-05T17:03:25.357000

44

Views

Use OPTIM() to MUTATE an additional column to an existing dataframe or tibble

Published on 05 April 2023 at 17:03

score 172 · Answer 20 · 2023-04-01T00:06:17.143000

172

Views

Adding model-fitting constraints to a subset of parameters using FME::modFit or optim

Published on 01 April 2023 at 00:06

List Question

iterative GA optimization algorithm

L-BFGS-B Needs Finite Falue of 'fn' (In one step (step) and (step -1 +dstep))

Why am I getting the message "Error in fn(par, ...) : unused argument (data = list(c...."?

Optim function does not give right solution

Error in optim : L-BFGS-B needs a finite value of fn

R minimization - reuse objects computed in function in the calculation of gradient

R Optimx error : Cannot evaluate function at initial parameters

Fitting of bivariate distribution using R

Avoid repeating computations and dealing with constant parameters in Julia, optim

optim stuck on local minima when using negative log likelihood, but not least squares

Strangely different results doing Box Cox transform with R Optim and with MASS package

Minimize the L1-Norm between [a*A(x1,x2)-b] by finding unknown coefficients/probabilities x1 and x2

"optim" function fails to converge for maximum likelihood estimation in a random-effect model

R programmable fixing of parameters in `optim`

R defining a function using optim

R script to plot and update optim() values after each iteration

Error: initial value in 'vmmin' is not finite - Maximum Likelihood Estimation of an Ordered Probit Model

Problem specifying arguments when using "optim" for MLE

Use OPTIM() to MUTATE an additional column to an existing dataframe or tibble

Adding model-fitting constraints to a subset of parameters using FME::modFit or optim

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