# Specific Domains

**URL:** https://discourse.julialang.org/c/domain/10.md?no_subcategories=false&page=234

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**Page:** 235

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## [Why is Flux's data input format different?](https://discourse.julialang.org/t/why-is-fluxs-data-input-format-different/90490)

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**Author:** [@v-i-s-h](https://discourse.julialang.org/u/v-i-s-h)\
**Replies:** 1\
**Last updated:** [November 19, 2022, 11:31am UTC](https://discourse.julialang.org/t/why-is-fluxs-data-input-format-different/90490 "2022-11-19T11:31:02Z")

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Hi, In Flux models (created using Chain), we give data array of the format D x N (D - data dimension, N - number of samples). This is is different from other ML libraries such as Tensorflow/PyTorch where we use N x D fo…

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## [Distributed.jl Processes not Shutting Down until Walltime on PBS](https://discourse.julialang.org/t/distributed-jl-processes-not-shutting-down-until-walltime-on-pbs/90388)

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**Author:** [@vijeycreative](https://discourse.julialang.org/u/vijeycreative)\
**Replies:** 7\
**Last updated:** [November 19, 2022, 10:44am UTC](https://discourse.julialang.org/t/distributed-jl-processes-not-shutting-down-until-walltime-on-pbs/90388 "2022-11-19T10:44:09Z")

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Hi All, This is my first time posting here, and I am posting after having read through a number of similar posts on Julia Discourse. My problem in a nutshell is that when I run a script on PBS, where the script does som…

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## [Read Alembic .abc data](https://discourse.julialang.org/t/read-alembic-abc-data/90488)

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**Author:** [@davide445](https://discourse.julialang.org/u/davide445)\
**Replies:** 0\
**Last updated:** [November 19, 2022, 7:29am UTC](https://discourse.julialang.org/t/read-alembic-abc-data/90488 "2022-11-19T07:29:45Z")

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As output of a sim tool for soft body simulation I will get an Alembic file, containing in an open source optimized format all the data regarding the evolution of the simulated mesh. Want to ask if there is any package …

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## [How to use ParetoSmooth.jl](https://discourse.julialang.org/t/how-to-use-paretosmooth-jl/79493)

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**Author:** [@mthelm85](https://discourse.julialang.org/u/mthelm85)\
**Replies:** 12\
**Last updated:** [November 19, 2022, 1:34am UTC](https://discourse.julialang.org/t/how-to-use-paretosmooth-jl/79493 "2022-11-19T01:34:35Z")

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It looks like ParetoSmooth.jl is fairly new so the documentation is lacking examples right now. I’m wondering if someone with experience using the package can assist. Here’s a simple MWE: using ParetoSmooth using StatsB…

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## [Real time plotting with Gadfly (Vehicle Trajectory Plotting)](https://discourse.julialang.org/t/real-time-plotting-with-gadfly-vehicle-trajectory-plotting/72333)

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**Author:** [@benibilme](https://discourse.julialang.org/u/benibilme)\
**Replies:** 6\
**Last updated:** [November 18, 2022, 9:36pm UTC](https://discourse.julialang.org/t/real-time-plotting-with-gadfly-vehicle-trajectory-plotting/72333 "2022-11-18T21:36:11Z")

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Hello, I would like to plot vehicle trajectory on a cartesian coordinate system in near-real time from the data that is coming from a datastream. Is it possible to do this in Gadfly. My requirement is to push latest o…

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## [Best practice for storing, passing, and managing parameters in economic models](https://discourse.julialang.org/t/best-practice-for-storing-passing-and-managing-parameters-in-economic-models/64705)

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**Author:** [@PatrickMcFarlane](https://discourse.julialang.org/u/PatrickMcFarlane)\
**Replies:** 22\
**Last updated:** [November 18, 2022, 2:57pm UTC](https://discourse.julialang.org/t/best-practice-for-storing-passing-and-managing-parameters-in-economic-models/64705 "2022-11-18T14:57:17Z")

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I am working on a discrete time HANK model in Julia. The model has a very large number of parameters. Most of these are related to the theoretical structure of the model (e.g., production function parameters, utility f…

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## [How to draw three box plot for each job title in each year from 2020,2021,2022(give up on vegalite, any package as long as they can work, no makie cz my computer can't install it)?](https://discourse.julialang.org/t/how-to-draw-three-box-plot-for-each-job-title-in-each-year-from-2020-2021-2022-give-up-on-vegalite-any-package-as-long-as-they-can-work-no-makie-cz-my-computer-cant-install-it/90448)

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**Author:** [@akshdfyehd](https://discourse.julialang.org/u/akshdfyehd)\
**Replies:** 0\
**Last updated:** [November 18, 2022, 1:09pm UTC](https://discourse.julialang.org/t/how-to-draw-three-box-plot-for-each-job-title-in-each-year-from-2020-2021-2022-give-up-on-vegalite-any-package-as-long-as-they-can-work-no-makie-cz-my-computer-cant-install-it/90448 "2022-11-18T13:09:58Z")

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Hi, I have got this dataset which comes from the following code: import Downloads using DLMReader, VegaLite, InMemoryDatasets data=Downloads.download("https://raw.githubusercontent.com/akshdfyehd/salary/main/ds\_salarie…

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## [\[ModelingToolkit\] \[Symbolics\] Symbolic parameter metadata is erased if parameter is of type Term](https://discourse.julialang.org/t/modelingtoolkit-symbolics-symbolic-parameter-metadata-is-erased-if-parameter-is-of-type-term/90437)

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**Author:** [@lxsilva](https://discourse.julialang.org/u/lxsilva)\
**Replies:** 0\
**Last updated:** [November 18, 2022, 11:37am UTC](https://discourse.julialang.org/t/modelingtoolkit-symbolics-symbolic-parameter-metadata-is-erased-if-parameter-is-of-type-term/90437 "2022-11-18T11:37:13Z")

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Hey guys, not sure if the title was clear enough but I’ll try to illustrate the issue with code. The code: @parameters p\[1:2\] u u = GlobalScope(u) #so parameter u will not be namescoped when one uses 'compose' p = …

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## [Makie how to know if a figure is displayed or not](https://discourse.julialang.org/t/makie-how-to-know-if-a-figure-is-displayed-or-not/90432)

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**Author:** [@yjr](https://discourse.julialang.org/u/yjr)\
**Replies:** 0\
**Last updated:** [November 18, 2022, 9:04am UTC](https://discourse.julialang.org/t/makie-how-to-know-if-a-figure-is-displayed-or-not/90432 "2022-11-18T09:04:13Z")

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Hello, I m doing a GUI in makie that calls some timer to refresh information displayed. I would like to close these timers either if the figure is not displayed or the closing cross button is clicked. So is there a meth…

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## [CUDA.jl - A Clear Example of Dynamic Parallelism](https://discourse.julialang.org/t/cuda-jl-a-clear-example-of-dynamic-parallelism/78856)

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**Author:** [@moukann](https://discourse.julialang.org/u/moukann)\
**Replies:** 6\
**Last updated:** [November 18, 2022, 8:24am UTC](https://discourse.julialang.org/t/cuda-jl-a-clear-example-of-dynamic-parallelism/78856 "2022-11-18T08:24:38Z")

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Hello all, I am not so experienced with CUDA.jl and I cannot find examples on concepts of GPU programming. Dynamic parallelism is a wonderful feature but I could not find an example to learn and apply to my program. Le…

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## [DDS package?](https://discourse.julialang.org/t/dds-package/8429)

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**Author:** [@airpmb](https://discourse.julialang.org/u/airpmb)\
**Replies:** 2\
**Last updated:** [November 17, 2022, 9:31pm UTC](https://discourse.julialang.org/t/dds-package/8429 "2022-11-17T21:31:27Z")

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Im curious if anyone {is interested in, has considered, has attempted, has succeeded in} creating a Julia package that wraps one of the implementations of DDS. If not, it seems like in principle this should be possible,…

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## [How to coerce scitype union to continuous?](https://discourse.julialang.org/t/how-to-coerce-scitype-union-to-continuous/90379)

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**Author:** [@lucasmsoares96](https://discourse.julialang.org/u/lucasmsoares96)\
**Replies:** 1\
**Last updated:** [November 17, 2022, 8:51pm UTC](https://discourse.julialang.org/t/how-to-coerce-scitype-union-to-continuous/90379 "2022-11-17T20:51:38Z")

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All columns in my DataFrame have the sci type Union{Continuous, Count} and I’m having trouble coercing them to Continuous. I tried the following two ways coerce(X, Count=\>Continuous) X |\> eachcol .|\> a -\> coerce(a, Con…

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## [Debugging computer crash during ODE solve](https://discourse.julialang.org/t/debugging-computer-crash-during-ode-solve/90009)

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**Author:** [@johnb](https://discourse.julialang.org/u/johnb)\
**Replies:** 25\
**Last updated:** [November 17, 2022, 2:43pm UTC](https://discourse.julialang.org/t/debugging-computer-crash-during-ode-solve/90009 "2022-11-17T14:43:26Z")

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My desktop solves a set of ODEs without issue, but my laptop consistently bluescreens while solving. What is the best way to find the cause of this behavior? Thanks!

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## [1D adaptive integration of a function with a parameter](https://discourse.julialang.org/t/1d-adaptive-integration-of-a-function-with-a-parameter/90365)

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**Author:** [@sylvian\_kahane](https://discourse.julialang.org/u/sylvian_kahane)\
**Replies:** 2\
**Last updated:** [November 17, 2022, 11:29am UTC](https://discourse.julialang.org/t/1d-adaptive-integration-of-a-function-with-a-parameter/90365 "2022-11-17T11:29:03Z")

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The hquadrature (hcubature) does not offer the possibility to transfer arguments to the integrand (like using args=() in scipy.integrate). I have an integrand func(x, E) depending on the independent variable x and on th…

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## [Batching in Geometric Flux](https://discourse.julialang.org/t/batching-in-geometric-flux/90120)

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**Author:** [@Tomas\_Pevny](https://discourse.julialang.org/u/Tomas_Pevny)\
**Replies:** 6\
**Last updated:** [November 17, 2022, 11:03am UTC](https://discourse.julialang.org/t/batching-in-geometric-flux/90120 "2022-11-17T11:03:57Z")

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Hi, can anyone shed me a light on how minibatching in GeometricFlux works? Particularly I am interested in running minibatch on a set of graphs with different edge matrices. Thanks for an answer, Tomas

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## [Lines connecting data points don't follow order changed by sorter function (AoG)](https://discourse.julialang.org/t/lines-connecting-data-points-dont-follow-order-changed-by-sorter-function-aog/90395)

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**Author:** [@ristretti](https://discourse.julialang.org/u/ristretti)\
**Replies:** 0\
**Last updated:** [November 17, 2022, 10:47am UTC](https://discourse.julialang.org/t/lines-connecting-data-points-dont-follow-order-changed-by-sorter-function-aog/90395 "2022-11-17T10:47:57Z")

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Hello everyone =) I am trying to connect data points across a categorical variable on the x axis. With the default order the points are connected as expected (with a line from 1 to 2 and a line from 2 to 3). When i chan…

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## [Parameter estimation with norm vs. norm-squared loss](https://discourse.julialang.org/t/parameter-estimation-with-norm-vs-norm-squared-loss/90394)

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**Author:** [@fhchl](https://discourse.julialang.org/u/fhchl)\
**Replies:** 0\
**Last updated:** [November 17, 2022, 10:06am UTC](https://discourse.julialang.org/t/parameter-estimation-with-norm-vs-norm-squared-loss/90394 "2022-11-17T10:06:17Z")

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In the SciML book, parameter estimation problems are defined with a loss function that uses the norm of the residual, not the norm-squared as typical in least-squares formulations (see here). Is this a typo or is there m…

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## [Meshing operations in Julia](https://discourse.julialang.org/t/meshing-operations-in-julia/87609)

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**Author:** [@yewalenikhil65](https://discourse.julialang.org/u/yewalenikhil65)\
**Replies:** 3\
**Last updated:** [November 17, 2022, 9:20am UTC](https://discourse.julialang.org/t/meshing-operations-in-julia/87609 "2022-11-17T09:20:20Z")

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Is it possible to do following Meshlab operations using Meshes.jl or similar package ? model.meshing\_remove\_connected\_component\_by\_diameter() model.meshing\_remove\_connected\_component\_by\_face\_number() model.meshing\_remov…

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## [Get WCSS (Within-Cluster Sum of Square) for optimal number of clusters in kmeans](https://discourse.julialang.org/t/get-wcss-within-cluster-sum-of-square-for-optimal-number-of-clusters-in-kmeans/90374)

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**Author:** [@indymnv](https://discourse.julialang.org/u/indymnv)\
**Replies:** 0\
**Last updated:** [November 16, 2022, 11:34pm UTC](https://discourse.julialang.org/t/get-wcss-within-cluster-sum-of-square-for-optimal-number-of-clusters-in-kmeans/90374 "2022-11-16T23:34:40Z")

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I want to use kmeans for a clustering project, and I need to get the optimal number of clusters with the elbow method, is there a way to get the WCSS in the implementation of Clustering.jl to build something like this …

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## [CairoMakie - SVG export options](https://discourse.julialang.org/t/cairomakie-svg-export-options/90348)

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**Author:** [@cripcate](https://discourse.julialang.org/u/cripcate)\
**Replies:** 7\
**Last updated:** [November 16, 2022, 9:02pm UTC](https://discourse.julialang.org/t/cairomakie-svg-export-options/90348 "2022-11-16T21:02:14Z")

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Hi all, when saving Makie plots as svg, all text is converted to curves (i am using Arial font in case that matters). I would like to have the text as actual text instead so that it is easier to edit later on using oth…

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## [Unexpected Behavior in LogisticClassifier MLJLinearModels](https://discourse.julialang.org/t/unexpected-behavior-in-logisticclassifier-mljlinearmodels/90013)

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**Author:** [@liamfdoherty](https://discourse.julialang.org/u/liamfdoherty)\
**Replies:** 7\
**Last updated:** [November 16, 2022, 8:37pm UTC](https://discourse.julialang.org/t/unexpected-behavior-in-logisticclassifier-mljlinearmodels/90013 "2022-11-16T20:37:52Z")

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I am experiencing some odd behavior from the Logistic Classifier in MLJLinearModels.jl that maybe somebody can help me to understand. This MWE is not the research problem I am working on (because that is hard to boil dow…

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## [Resources on Modelling SDE with Parameter Switches](https://discourse.julialang.org/t/resources-on-modelling-sde-with-parameter-switches/90137)

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**Author:** [@dleather](https://discourse.julialang.org/u/dleather)\
**Replies:** 5\
**Last updated:** [November 16, 2022, 6:09pm UTC](https://discourse.julialang.org/t/resources-on-modelling-sde-with-parameter-switches/90137 "2022-11-16T18:09:26Z")

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I’m exploring the SciMl ecosystem for the possibility of modelling something like an OU process where the drift, autoregressive, and volatility parameters are subject to discrete switches governed by a continuous-time Ma…

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## [\[DynamicPPL\] attempt to link a linked vi](https://discourse.julialang.org/t/dynamicppl-attempt-to-link-a-linked-vi/87572)

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**Author:** [@juliohm](https://discourse.julialang.org/u/juliohm)\
**Replies:** 4\
**Last updated:** [November 16, 2022, 4:23pm UTC](https://discourse.julialang.org/t/dynamicppl-attempt-to-link-a-linked-vi/87572 "2022-11-16T16:23:44Z")

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I am getting this warning multiple times and the NUTS sampler doesn’t terminate. Can you please explain what is happening for an end user of Turing.jl? The warning message is not very helpful. How can I further debug th…

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## [How could I draw a force field (arrows) using AlgebraOfGraphics?](https://discourse.julialang.org/t/how-could-i-draw-a-force-field-arrows-using-algebraofgraphics/90301)

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**Author:** [@martinmestre](https://discourse.julialang.org/u/martinmestre)\
**Replies:** 2\
**Last updated:** [November 16, 2022, 4:17pm UTC](https://discourse.julialang.org/t/how-could-i-draw-a-force-field-arrows-using-algebraofgraphics/90301 "2022-11-16T16:17:43Z")

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Hello, I have a dataframe where two columns give the position and two columns give the arrow, I would like to use AoG to plot it. Thanks

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## [Solver for differential algebraic equations with arbitrary implicit Runge Kutta method](https://discourse.julialang.org/t/solver-for-differential-algebraic-equations-with-arbitrary-implicit-runge-kutta-method/90310)

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**Author:** [@Tri](https://discourse.julialang.org/u/Tri)\
**Replies:** 6\
**Last updated:** [November 16, 2022, 12:33pm UTC](https://discourse.julialang.org/t/solver-for-differential-algebraic-equations-with-arbitrary-implicit-runge-kutta-method/90310 "2022-11-16T12:33:21Z")

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Hello As the title suggest, is there any package in Julia that enables solving differential algebraic equations DAEs with arbitrary implicit Runge Kutta (beyond the available ones) methods? Alternatively, is there any p…

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## [Differences between NLsolve and Optim in solving system of equations](https://discourse.julialang.org/t/differences-between-nlsolve-and-optim-in-solving-system-of-equations/60467)

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**Author:** [@amrods](https://discourse.julialang.org/u/amrods)\
**Replies:** 24\
**Last updated:** [November 16, 2022, 4:04am UTC](https://discourse.julialang.org/t/differences-between-nlsolve-and-optim-in-solving-system-of-equations/60467 "2022-11-16T04:04:46Z")

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I am solving a system of equations using 2 methods. Solving it “directly” with NLsolve, and solving it by minimizing the norm of the residuals of the system. Here’s an example: using NLsolve using Optim using LinearAlge…

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## [Setindex! issue with DataFrame saved as Arrow file](https://discourse.julialang.org/t/setindex-issue-with-dataframe-saved-as-arrow-file/90307)

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**Author:** [@alex-s-gardner](https://discourse.julialang.org/u/alex-s-gardner)\
**Replies:** 9\
**Last updated:** [November 16, 2022, 1:03am UTC](https://discourse.julialang.org/t/setindex-issue-with-dataframe-saved-as-arrow-file/90307 "2022-11-16T01:03:23Z")

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Working with a DataFrame saved as an Arrow file: fn = download("https://www.dropbox.com/s/322g26p3apdeqpf/granules.remote?dl=0") Loading in the file as a df g = DataFrame(Arrow.Table(fn)) Copy the DataFrame g0 = cop…

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## [Lux.jl implementation of denoising diffusion model](https://discourse.julialang.org/t/lux-jl-implementation-of-denoising-diffusion-model/90275)

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**Author:** [@Keisuke\_Yanagi](https://discourse.julialang.org/u/Keisuke_Yanagi)\
**Replies:** 2\
**Last updated:** [November 15, 2022, 11:05pm UTC](https://discourse.julialang.org/t/lux-jl-implementation-of-denoising-diffusion-model/90275 "2022-11-15T23:05:30Z")

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Hi Using Lux.jl, I’ve implemented denoising diffusion implicit model for image generation from noises. Question: is there any place for me to contribute to enhance the Lux.jl examples? (Just making PR on the repo?)

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## [Initialize Lux.jl NN parameters according to Lux.glorot\_normal](https://discourse.julialang.org/t/initialize-lux-jl-nn-parameters-according-to-lux-glorot-normal/90293)

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**Author:** [@MilesCB](https://discourse.julialang.org/u/MilesCB)\
**Replies:** 1\
**Last updated:** [November 15, 2022, 8:10pm UTC](https://discourse.julialang.org/t/initialize-lux-jl-nn-parameters-according-to-lux-glorot-normal/90293 "2022-11-15T20:10:26Z")

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Hi all, I would like to initialize the parameters of a Lux.jl neural network with something other than a random distribution; for instance with Lux.glorot\_normal. I am using this network with NeuralPDE.jl with the follo…

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## [Continuous callback does not work correctly with Ensemble GPUArray()](https://discourse.julialang.org/t/continuous-callback-does-not-work-correctly-with-ensemble-gpuarray/90254)

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**Author:** [@mabrudsky](https://discourse.julialang.org/u/mabrudsky)\
**Replies:** 0\
**Last updated:** [November 14, 2022, 6:43pm UTC](https://discourse.julialang.org/t/continuous-callback-does-not-work-correctly-with-ensemble-gpuarray/90254 "2022-11-14T18:43:12Z")

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Hello, I am solving a central potential problem with EnsembleGPUArray() for multiple initial conditions, when I add the ContinuousCallback the first 800 trajectories ignore the affect!(integrator) and the last 200 do the…

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