modeling | WP3 Top Level Project : to cover all tasks

by openETCS C Version: v0.4.2.1-D3.6.4SprintRelease License: No License

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kandi X-RAY | modeling Summary

modeling is a C library. modeling has no bugs, it has no vulnerabilities and it has low support. You can download it from GitHub.

WP3 repository for modeling results and activities. Scade version to be used in the project: V16.1b.

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Support

modeling has a low active ecosystem.

It has 24 star(s) with 40 fork(s). There are 41 watchers for this library.

It had no major release in the last 12 months.

There are 145 open issues and 607 have been closed. On average issues are closed in 200 days. There are no pull requests.

It has a neutral sentiment in the developer community.

The latest version of modeling is v0.4.2.1-D3.6.4SprintRelease

Quality

modeling has no bugs reported.

Security

modeling has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.

License

modeling does not have a standard license declared.

Check the repository for any license declaration and review the terms closely.

Without a license, all rights are reserved, and you cannot use the library in your applications.

Reuse

modeling releases are available to install and integrate.

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modeling Key Features

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modeling Examples and Code Snippets

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Community Discussions

Trending Discussions on modeling

Solving Time-constrained CVRP with two vehicle types in Google or-tools

Tidymodels / XGBoost error in last_fit with rsplit value

Force BERT transformer to use CUDA

Modeling JSON Currency Object

How to make deeply nested function call polymorphic?

Rust: implementing an iterator from a vector of std::Rc smart pointers

Form field border-radius is not working only on the last element

Activity Diagram: Reusing Activity/Action With different inherited type of object flow as output

How to test masked language model after training it?

cassandra data modeling with e commerce and joins

QUESTION

Solving Time-constrained CVRP with two vehicle types in Google or-tools

Asked 2021-Jun-15 at 12:54

I am modeling a Time-constrained CVRP. The problem is to minimize the total travel time (not including the package dropping time) subject to vehicle (delivery) capacity and total time spent (per vehicle) constraints. The package dropping time refers to an additional time to be spent at each node, and the total time spent equals to the travel time plus this additional time. I have the below model that works for a single vehicle-type case. I would like to introduce two-vehicle type concept in there, meaning that I have a set of V1 type vehicles and another set of V2 type vehicles. The only difference of the vehicle-types is the per time cost of travel. Let x denote the per time unit cost of travel by V1, and y denote the per time unit travel cost of V2. How can I design the model so that it incorporates this additional aspect?

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ANSWER

Answered 2021-Jun-13 at 13:34

Simply register two transits callbacks (i.e. one per vehicle type)

Then use the overload of AddDimension() to pass an array of registered transit callback index.

e.G. Mizux/vrp_multiple_transit.py

Source https://stackoverflow.com/questions/67948290

QUESTION

Tidymodels / XGBoost error in last_fit with rsplit value

Asked 2021-Jun-15 at 04:08

I am trying to follow this tutorial here - https://juliasilge.com/blog/xgboost-tune-volleyball/

I am using it on the most recent Tidy Tuesday dataset about great lakes fishing - trying to predict agency based on many other values.

ALL of the code below works except the final row where I get the following error:

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ANSWER

Answered 2021-Jun-15 at 04:08

If we look at the documentation of last_fit() We see that split must be

An rsplit object created from `rsample::initial_split().

You accidentally passed the cross-validation folds object stock_folds into split but you should have passed rsplit object stock_split instead

Source https://stackoverflow.com/questions/67978723

QUESTION

Force BERT transformer to use CUDA

Asked 2021-Jun-13 at 09:57

I want to force the Huggingface transformer (BERT) to make use of CUDA. nvidia-smi showed that all my CPU cores were maxed out during the code execution, but my GPU was at 0% utilization. Unfortunately, I'm new to the Hugginface library as well as PyTorch and don't know where to place the CUDA attributes device = cuda:0 or .to(cuda:0).

The code below is basically a customized part from german sentiment BERT working example

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ANSWER

Answered 2021-Jun-12 at 16:19

You can make the entire class inherit torch.nn.Module like so:

Source https://stackoverflow.com/questions/67948945

QUESTION

Modeling JSON Currency Object

Asked 2021-Jun-08 at 06:57

I have a question concerning modeling JSON data.

I am trying to figure out how to decode JSON exchange rate data. The JSON file consists of a date, base currency ("eur" in the example below), and some currencies with rates compared to the base currency. It would be a straight forward nested JSON object without the base currency, but with the base currency thrown in the middle without a key I'm not sure where to begin.

Do I need codingKeys for the base currency and rates? How do you handle the missing base currency key?

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ANSWER

Answered 2021-Jun-08 at 06:57

Honestly for this particular JSON I'd use traditional JSONSerialization

Source https://stackoverflow.com/questions/67880495

QUESTION

How to make deeply nested function call polymorphic?

Asked 2021-Jun-07 at 20:01

So I have a custom programming language, and in it I am doing some math formalization/modeling. In this instance I am doing basically this (a pseudo-javascript representation):

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ANSWER

Answered 2021-Jun-07 at 20:01

Haskell leverages its type and type-class system to deal with polymorphic equality.

The relevant code is

Source https://stackoverflow.com/questions/67846511

QUESTION

Rust: implementing an iterator from a vector of std::Rc smart pointers

Asked 2021-Jun-07 at 15:56

I'm starting with Rust, and I'm already facing problems with data ownership.

I want to implement a generic struct called Port that has a vector of values Vec. Also, this struct has a vector of reference-counting pointers to other structs of the same type, Vec>>:

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ANSWER

Answered 2021-Jun-07 at 14:20

I think there are simpler ways of achieving what you want to achieve. Let's start small: your Port need an iter(&self) method that returns an iterator that hands out &T items:

Source https://stackoverflow.com/questions/67870844

QUESTION

Form field border-radius is not working only on the last element

Asked 2021-Jun-07 at 09:16

I would like the last field to have 50px border radius on the right. Why is this not working?

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ANSWER

Answered 2021-Jun-07 at 09:07

Add this css on your code

Source https://stackoverflow.com/questions/67868665

QUESTION

Activity Diagram: Reusing Activity/Action With different inherited type of object flow as output

Asked 2021-Jun-06 at 18:30

I have a question regarding modeling on an Activity Diagram that has been bothering me for some time and I was not able to find any answers / Convention anywhere.

Here is an example to better understand my question:

Let say that I have two class named "flat" and "house". both are a generalization of the class "housing". housing contain an attribute "residents" for the person living in it. flat contain an attributes "floor" that says at which floor the flat is.

Here is the class diagram:

In an activity diagram, I want to represent the action of giving persons a housing. this action can take either house or flat as input (so the use of "housing" type for the input pin is correct I think) as well as an undefined number of people. I want this action to give an updated house or flat as output (not an updated housing as this would mean that information specific to the house or flat would be lost. I don't really know if I must create two actions (one for house and another for flats) or if there is a way to reuse the action for both class and have a correct output out of it.

Here is the activity Diagram:

My question is: how to represent in an activity diagram, an action that is the same for different type of Object flows as input, and that give the updated Object flow as output (that may be therefore of different type)?

nb:

all type of object flow are class and inherit from a same other class.
I'm representing this in modelio but first had this issue in Cameo.
I'm Trying to fit as best as I can within the rules of UML Language.

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ANSWER

Answered 2021-Jun-06 at 18:30

The two flows (top object and lower control) in the blue frame could stay as they are. Give flat floor would commence only when it receives a Flat object and the control token is sent. In order to make the right action sort of optional I would just use the object flow, thus only triggering when a Flat object is passed. That would just be enough and no additional control flow is needed.

To make things clear I would also add a guarded flow from the Assign action to an exit reading [ house was assigned ] or the like.

Source https://stackoverflow.com/questions/67860329

QUESTION

How to test masked language model after training it?

Asked 2021-Jun-06 at 16:53

I have followed this tutorial for masked language modelling from Hugging Face using BERT, but I am unsure how to actually deploy the model.

Tutorial: https://github.com/huggingface/notebooks/blob/master/examples/language_modeling.ipynb

I have trained the model using my own dataset, which has worked fine, but I don't know how to actually use the model, as the notebook does not include an example on how to do this, sadly.

Example of what I want to do with my trained model

On the Hugging Face website, this is the code used in the example; hence, I want to do this exact thing but with my model:

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ANSWER

Answered 2021-Jun-06 at 16:53

This depends a lot of your task. Your task seems to be masked language modelling, that, is to predict one or more masked words:

today I ate ___ .

(pizza) or (pasta) could be equally correct, so you cannot use a metric such as accuray. But (water) should be less "correct" than the other two. So what you normally do is to check how "surprised" the language model is, on an evaluation data set. This metric is called perplexity. Therefore, before and after you finetune a model on you specific dataset, you would calculate the perplexity and you would expect it to be lower after finetuning. The model should be more used to your specific vocabulary etc. And that is how you test your model.

As you can see, they calculate the perplexity in the tutorial you mentioned:

Source https://stackoverflow.com/questions/67851322

QUESTION

cassandra data modeling with e commerce and joins

Asked 2021-Jun-06 at 11:18

i am new to cassandra and I came from postgresql. I searched for cassandra e commerce data modeling and find this as example:

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ANSWER

Answered 2021-Jun-06 at 11:18

Yes, you are right Cassandra does not support joins. In Cassandra you design your schema based on your queries. So you will have to have a schema which answers your query or you have to make multiple queries like in the exqmple above. There is no joins in Cassandra.

Source https://stackoverflow.com/questions/67839856

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