# Latest **URL:** https://forum.mimiframework.org/latest.md?page=3 [Latest](https://forum.mimiframework.org/latest.md) · [Categories](https://forum.mimiframework.org/categories.md) **Page:** 4 --- ## [MimiFUND LoadError: UndefVarError](https://forum.mimiframework.org/t/mimifund-loaderror-undefvarerror/126)
**Author:** [@mbprend](https://forum.mimiframework.org/u/mbprend)\ **Replies:** 4\ **Last updated:** [August 17, 2020, 10:12pm UTC](https://forum.mimiframework.org/t/mimifund-loaderror-undefvarerror/126 "2020-08-17T22:12:41Z")
I am following a tutorial from the Mimi Framework that uses MimiFUND. When I attempt to use MimiFUND I receive a LoadError and uncertain how to troubleshoot the issue. Some details on my system: - OS: MacOS version 10… --- ## [Monte Carlo Scenarios](https://forum.mimiframework.org/t/monte-carlo-scenarios/123)
**Author:** [@lrennels](https://forum.mimiframework.org/u/lrennels)\ **Replies:** 1\ **Last updated:** [August 11, 2020, 6:39pm UTC](https://forum.mimiframework.org/t/monte-carlo-scenarios/123 "2020-08-11T18:39:06Z")
From Catherine Ledna: Hi all, I have a quick question/request regarding some Mimi functionality. I’ve been doing Monte Carlo runs that are structured where I am updating an external model parameter for each model run. As… --- ## [Output Montecarlo Results for FUND Marginal Model](https://forum.mimiframework.org/t/output-montecarlo-results-for-fund-marginal-model/120)
**Author:** [@kar5469](https://forum.mimiframework.org/u/kar5469)\ **Replies:** 2\ **Last updated:** [July 17, 2020, 6:45pm UTC](https://forum.mimiframework.org/t/output-montecarlo-results-for-fund-marginal-model/120 "2020-07-17T18:45:38Z")
Hello Mimi community, I am running a Monte Carlo simulation in FUND to estimate the Social Cost of Methane. I am looking to produce an array of output for each marginal model that is simulated in the ensemble. Right no… --- ## [PSA Mimi v1.0.0](https://forum.mimiframework.org/t/psa-mimi-v1-0-0/122)
**Author:** [@lrennels](https://forum.mimiframework.org/u/lrennels)\ **Replies:** 0\ **Last updated:** [July 16, 2020, 12:45am UTC](https://forum.mimiframework.org/t/psa-mimi-v1-0-0/122 "2020-07-16T00:45:39Z")
Hello Mimi users! Today we officially tagged and released Mimi v1.0.0, which has some new features, documentation, and quite a bit of internals work as well. Since this is a major version change, there are some breakin… --- ## [Custom Random Variable](https://forum.mimiframework.org/t/custom-random-variable/119)
**Author:** [@KGregory](https://forum.mimiframework.org/u/KGregory)\ **Replies:** 7\ **Last updated:** [May 12, 2020, 12:06am UTC](https://forum.mimiframework.org/t/custom-random-variable/119 "2020-05-12T00:06:16Z")
Is it possible to define a custom random variable with a list of probability densities without using the standard distributions such as Normal, Gamma etc.? I want to define a random ECS variable where I have list of 50 … --- ## [MimiFUND USA Sea Level Rise Impacts](https://forum.mimiframework.org/t/mimifund-usa-sea-level-rise-impacts/117)
**Author:** [@KGregory](https://forum.mimiframework.org/u/KGregory)\ **Replies:** 3\ **Last updated:** [April 28, 2020, 10:25pm UTC](https://forum.mimiframework.org/t/mimifund-usa-sea-level-rise-impacts/117 "2020-04-28T22:25:41Z")
The MimiFUND USA sea level rise impacts appears to have a spike in Enter costs and a discontinuity in the Wet costs. See my graph : https://www.dropbox.com/s/5jp7c0lnc9wcnfl/US\_Sea\_Level\_Impacts.jpg?dl=0 Sea Level cost… --- ## [How to use replaceRV! in MIMI](https://forum.mimiframework.org/t/how-to-use-replacerv-in-mimi/115)
**Author:** [@KGregory](https://forum.mimiframework.org/u/KGregory)\ **Replies:** 12\ **Last updated:** [April 28, 2020, 3:39pm UTC](https://forum.mimiframework.org/t/how-to-use-replacerv-in-mimi/115 "2020-04-28T15:39:09Z")
The “Simulation Modification Functions” section of Tutorial 4 at https://www.mimiframework.org/Mimi.jl/dev/tutorials/tutorial\_4/ says the function “replaceRV!” is “available to modify an existing SimulationDef.” Can thi… --- ## [Update a vector with "update\_param!"](https://forum.mimiframework.org/t/update-a-vector-with-update-param/116)
**Author:** [@KGregory](https://forum.mimiframework.org/u/KGregory)\ **Replies:** 3\ **Last updated:** [April 23, 2020, 11:09pm UTC](https://forum.mimiframework.org/t/update-a-vector-with-update-param/116 "2020-04-23T23:09:17Z")
Tutorial 2 of the Mimi.jl shows how to update a single value parameter with “update\_param!”. Is it possible to use this function, or another function to update a vector array, such as “update\_param!(m, :agcbm\[1\], 0.11)”,… --- ## [Array parameter setting fails with Int64 parameter type](https://forum.mimiframework.org/t/array-parameter-setting-fails-with-int64-parameter-type/113)
**Author:** [@jrising](https://forum.mimiframework.org/u/jrising)\ **Replies:** 10\ **Last updated:** [February 25, 2020, 2:11pm UTC](https://forum.mimiframework.org/t/array-parameter-setting-fails-with-int64-parameter-type/113 "2020-02-25T14:11:05Z")
I feel like I must be missing something, since I think the functionality I want here (having parameter arrays that aren’t floats) is widely used. But it doesn’t seem to be working. I would like to define a parameter as … --- ## [Error in Coupling Different Timestep Length Components](https://forum.mimiframework.org/t/error-in-coupling-different-timestep-length-components/111)
**Author:** [@FrankErrickson](https://forum.mimiframework.org/u/FrankErrickson)\ **Replies:** 13\ **Last updated:** [January 28, 2020, 8:08pm UTC](https://forum.mimiframework.org/t/error-in-coupling-different-timestep-length-components/111 "2020-01-28T20:08:26Z")
I have a case where I run a climate model using historic emissions, and then in 2015 it switches on to use emissions calculated by an IAM component. When I couple these together (so the shorter IAM emissions component pr… --- ## [Behavior of Parameters in Different Timestep Length Models](https://forum.mimiframework.org/t/behavior-of-parameters-in-different-timestep-length-models/110)
**Author:** [@FrankErrickson](https://forum.mimiframework.org/u/FrankErrickson)\ **Replies:** 5\ **Last updated:** [January 24, 2020, 12:32am UTC](https://forum.mimiframework.org/t/behavior-of-parameters-in-different-timestep-length-models/110 "2020-01-24T00:32:39Z")
I have a model that couples components with varying timestep lengths. If I create a connection between two of the shorter components, the array holding this parameter takes on the length of the longer component (with the… --- ## [Error installing Mimi under v1.3.1](https://forum.mimiframework.org/t/error-installing-mimi-under-v1-3-1/109)
**Author:** [@MalinW](https://forum.mimiframework.org/u/MalinW)\ **Replies:** 5\ **Last updated:** [January 18, 2020, 2:01pm UTC](https://forum.mimiframework.org/t/error-installing-mimi-under-v1-3-1/109 "2020-01-18T14:01:56Z")
Thank you very much for making the IAMs publicly available. I wanted to work with the DICE-2010 and RICE-2010 IAMs, but I couldn’t install Mimi in julia. I tried at the julia REPL: pkg\> add Mimi I got this error: ERR… --- ## [Issue with Gams version of MimiDICE2013](https://forum.mimiframework.org/t/issue-with-gams-version-of-mimidice2013/107)
**Author:** [@FrankErrickson](https://forum.mimiframework.org/u/FrankErrickson)\ **Replies:** 4\ **Last updated:** [January 13, 2020, 11:10pm UTC](https://forum.mimiframework.org/t/issue-with-gams-version-of-mimidice2013/107 "2020-01-13T23:10:04Z")
The following code works: using MimiDICE2013 m = getdiceexcel() run(m) The following code throws an error: using MimiDICE2013 m = getdicegams() run(m) For the Gams case, the error I get is: ERROR: MethodError: no met… --- ## [Rare extreme SCC values in stochastic FUND using SSPs](https://forum.mimiframework.org/t/rare-extreme-scc-values-in-stochastic-fund-using-ssps/105)
**Author:** [@AlexandrePavlov](https://forum.mimiframework.org/u/AlexandrePavlov)\ **Replies:** 1\ **Last updated:** [January 3, 2020, 10:48pm UTC](https://forum.mimiframework.org/t/rare-extreme-scc-values-in-stochastic-fund-using-ssps/105 "2020-01-03T22:48:22Z")
I am using FUND with GDP growth and population growth modified to conform to the SSPs (up to 2100, after which I assume stagnation for simplicity) and defining the climate sensitivity parameter with a log-normal distribu… --- ## [\`variable\_dimensions\` and \`ComponentPath\`?](https://forum.mimiframework.org/t/variable-dimensions-and-componentpath/104)
**Author:** [@jrising](https://forum.mimiframework.org/u/jrising)\ **Replies:** 8\ **Last updated:** [November 22, 2019, 3:59pm UTC](https://forum.mimiframework.org/t/variable-dimensions-and-componentpath/104 "2019-11-22T15:59:06Z")
I see that the definition of the variable\_dimensions function has changed. My code was using variable\_dimensions(::Model, ::Symbol, ::Symbol) (and this is still what is documented), but the Mimi code now defines it as va… --- ## [Behavior of Marginal Model Functions](https://forum.mimiframework.org/t/behavior-of-marginal-model-functions/102)
**Author:** [@FrankErrickson](https://forum.mimiframework.org/u/FrankErrickson)\ **Replies:** 1\ **Last updated:** [November 15, 2019, 2:10pm UTC](https://forum.mimiframework.org/t/behavior-of-marginal-model-functions/102 "2019-11-15T14:10:44Z")
If I use your SCC function, or if I take the marginal damages from the “marignal model” used for that SCC estimate and discount them, I get results that differ by ~ $2. In this case I’m just using what I think is the eq… --- ## [Computing SCC with a changed socioeconomic component in MimiFUND](https://forum.mimiframework.org/t/computing-scc-with-a-changed-socioeconomic-component-in-mimifund/101)
**Author:** [@hbenveniste](https://forum.mimiframework.org/u/hbenveniste)\ **Replies:** 2\ **Last updated:** [November 4, 2019, 4:21pm UTC](https://forum.mimiframework.org/t/computing-scc-with-a-changed-socioeconomic-component-in-mimifund/101 "2019-11-04T16:21:05Z")
Hi team, I am trying to compute the SCC for my modified FUND model. My problem is that I modified the socioeconomic component, now called mig\_socioeconomic; and now this component is not recognized by the function \_comp… --- ## [Changing input scenarios to MimiFUND](https://forum.mimiframework.org/t/changing-input-scenarios-to-mimifund/98)
**Author:** [@hbenveniste](https://forum.mimiframework.org/u/hbenveniste)\ **Replies:** 9\ **Last updated:** [November 4, 2019, 3:09pm UTC](https://forum.mimiframework.org/t/changing-input-scenarios-to-mimifund/98 "2019-11-04T15:09:42Z")
Hi team, I would like to use MimiFUND with other input scenarios than the default ones (original SSP + versions for zero migration that I developed this summer). How should I proceed ? Can I set the scenpgrowth, scenyp… --- ## [Setting parameter with more than 2 dimensions](https://forum.mimiframework.org/t/setting-parameter-with-more-than-2-dimensions/100)
**Author:** [@hbenveniste](https://forum.mimiframework.org/u/hbenveniste)\ **Replies:** 2\ **Last updated:** [November 1, 2019, 7:35pm UTC](https://forum.mimiframework.org/t/setting-parameter-with-more-than-2-dimensions/100 "2019-11-01T19:35:18Z")
Hi team, I need to set a few other parameters in my migration extension of FUND. One of them has 3 and not just 2 dimensions: Parameter(index=\[regions,regions,agegroups\]). Yet in the FUND helper file describing the loa… --- ## [Retrieving parameter values](https://forum.mimiframework.org/t/retrieving-parameter-values/37)
**Author:** [@jrising](https://forum.mimiframework.org/u/jrising)\ **Replies:** 7\ **Last updated:** [October 9, 2019, 8:34pm UTC](https://forum.mimiframework.org/t/retrieving-parameter-values/37 "2019-10-09T20:34:16Z")
Suppose that I have an un-run model, which has its external parameters filled in. How can I get the values of these parameters? Previously, I could say m.external\_parameters\[:paramname\].values. I can’t figure out how … --- ## [Improve Missing Data Error Message](https://forum.mimiframework.org/t/improve-missing-data-error-message/96)
**Author:** [@FrankErrickson](https://forum.mimiframework.org/u/FrankErrickson)\ **Replies:** 6\ **Last updated:** [September 25, 2019, 8:41pm UTC](https://forum.mimiframework.org/t/improve-missing-data-error-message/96 "2019-09-25T20:41:35Z")
I accidentally tried to use a value that didn’t exist yet. If the error message gave a bit more detail (i.e. “You gave the X component a value for the Y parameter that doesn’t exist in timestep Z”) that would make huntin… --- ## [Improve readability of connect\_param syntax?](https://forum.mimiframework.org/t/improve-readability-of-connect-param-syntax/95)
**Author:** [@FrankErrickson](https://forum.mimiframework.org/u/FrankErrickson)\ **Replies:** 4\ **Last updated:** [September 24, 2019, 11:27pm UTC](https://forum.mimiframework.org/t/improve-readability-of-connect-param-syntax/95 "2019-09-24T23:27:21Z")
This is not an important question, but I’ve been doing lots of replication code lately so thinking about how others read my code has been on my mind. The connect\_param! syntax always felt a bit difficult to follow (in te… --- ## [Mimi Error with Julia v1.2](https://forum.mimiframework.org/t/mimi-error-with-julia-v1-2/94)
**Author:** [@FrankErrickson](https://forum.mimiframework.org/u/FrankErrickson)\ **Replies:** 3\ **Last updated:** [September 24, 2019, 9:28pm UTC](https://forum.mimiframework.org/t/mimi-error-with-julia-v1-2/94 "2019-09-24T21:28:52Z")
I just updated to Julia v1.2 and can’t use Mimi or any of the Mimi registry model packages. Other Julia packages work fine and Mimi works fine on v1.1. I get the following errors after saying using Mimi: .....julia\\pac… --- ## [Multivariate Monte Carlo distributions](https://forum.mimiframework.org/t/multivariate-monte-carlo-distributions/91)
**Author:** [@jrising](https://forum.mimiframework.org/u/jrising)\ **Replies:** 4\ **Last updated:** [September 22, 2019, 9:04am UTC](https://forum.mimiframework.org/t/multivariate-monte-carlo-distributions/91 "2019-09-22T09:04:44Z")
What is the syntax for assigning different elements of a multivariate distribution to different parameters in a Monte Carlo simulation? For example, how do I do something like: coeff\_alpha, coeff\_beta = MvNormal(mu, vcv… --- ## [Interactive Visualization](https://forum.mimiframework.org/t/interactive-visualization/93)
**Author:** [@SimonDanisch](https://forum.mimiframework.org/u/SimonDanisch)\ **Replies:** 5\ **Last updated:** [September 17, 2019, 12:15am UTC](https://forum.mimiframework.org/t/interactive-visualization/93 "2019-09-17T00:15:46Z")
Hi, I’m working on ReactiveRuntime.jl and am looking for exciting interactive visualizations. The framework is targeted to visualize scientific models and I’d like to focus on climate models. So, I was thinking Mimi is… --- ## [Replacing a component in FUND after loading as a](https://forum.mimiframework.org/t/replacing-a-component-in-fund-after-loading-as-a/76)
**Author:** [@sturner](https://forum.mimiframework.org/u/sturner)\ **Replies:** 7\ **Last updated:** [August 13, 2019, 4:31am UTC](https://forum.mimiframework.org/t/replacing-a-component-in-fund-after-loading-as-a/76 "2019-08-13T04:31:46Z")
Hi Lisa, Moving here from our e-mail discussion. I am attempting to configure FUND to use percentage of coast protected from sea level as a lever for use in optimization. In order to do this, I need to do two things: … --- ## [Compute\_scc for a modified Mimi model](https://forum.mimiframework.org/t/compute-scc-for-a-modified-mimi-model/84)
**Author:** [@BerBastien](https://forum.mimiframework.org/u/BerBastien)\ **Replies:** 5\ **Last updated:** [August 5, 2019, 11:25pm UTC](https://forum.mimiframework.org/t/compute-scc-for-a-modified-mimi-model/84 "2019-08-05T23:25:20Z")
Hi all, I am trying to compute the SCC for a modified version of MimiDICE2013 but I’m not getting the right numbers. I have added components, replaced components and optimized variables to the original MimiDICE2013 and… --- ## [Building package dependencies -\> Failure for Cairo on Macs](https://forum.mimiframework.org/t/building-package-dependencies-failure-for-cairo-on-macs/35)
**Author:** [@kar5469](https://forum.mimiframework.org/u/kar5469)\ **Replies:** 31\ **Last updated:** [August 3, 2019, 1:27am UTC](https://forum.mimiframework.org/t/building-package-dependencies-failure-for-cairo-on-macs/35 "2019-08-03T01:27:53Z")
Hi all, I am trying to build the Mimi model on my MacBook Pro for the first time. It adds and installs all of the package dependencies first but, it looks like it fails to add “Cairo” one of the graphing packages. (http… --- ## [How to implement and modify MimiRICE2010 on Julia?](https://forum.mimiframework.org/t/how-to-implement-and-modify-mimirice2010-on-julia/78)
**Author:** [@MarvinDupuis](https://forum.mimiframework.org/u/MarvinDupuis)\ **Replies:** 13\ **Last updated:** [August 3, 2019, 1:25am UTC](https://forum.mimiframework.org/t/how-to-implement-and-modify-mimirice2010-on-julia/78 "2019-08-03T01:25:50Z")
Hello, I would like to ask you if some supplementary instructions are necessary in Julia to start running MimiRICE2010 beyond those indicated in github i.e. : pkg\> registry add https://github.com/mimiframework/MimiRegi… --- ## [PSA macfix branch](https://forum.mimiframework.org/t/psa-macfix-branch/72)
**Author:** [@lrennels](https://forum.mimiframework.org/u/lrennels)\ **Replies:** 0\ **Last updated:** [June 27, 2019, 9:27pm UTC](https://forum.mimiframework.org/t/psa-macfix-branch/72 "2019-06-27T21:27:59Z")
For any users who had a problem related to either Cairo or Rsvg, we believe we have fixed the problem internally. If you got around the issue with the macfix branch, that should no longer be necessary, and you should sw… [Previous page](https://forum.mimiframework.org/latest.md?page=2) [Next page](https://forum.mimiframework.org/latest.md?page=4)