curves | building commodity forward , swaps , and futures curves | Cryptocurrency library

by cmdty Python Version: 2.0.0a2 License: MIT

X-Ray Key Features Code Snippets Community Discussions(10)Vulnerabilities Install Support

kandi X-RAY | curves Summary

curves is a Python library typically used in Blockchain, Cryptocurrency, Ethereum applications. curves has no bugs, it has no vulnerabilities, it has a Permissive License and it has low support. However curves build file is not available. You can install using 'pip install curves' or download it from GitHub, PyPI.

The curves package contains a set of tools for building commodity forward, swaps, and futures curves. More specifically, the problem being solved is to take a collection of traded forward prices, and tranform these into a forward curve of homogenous granularity. Additionally the derived curve can constructed to be in a granularity higher than what is traded in the market. Examples of types of curve which can be constructed using this package: * Monthly granularity oil products swap curves from traded monthly, quarterly, and calendar yearly granularity market swap rates. * Daily granularity natural gas forward curves from traded daily, weekly, monthly, quarterly, seasonal, and gas year granularity forward and futures prices. * Half-hourly granularity power forward curves from traded daily, weekly, monthly, quarterly, and seasonal granularity forward and futures prices. The resulting curves should be consistent with inputs, in that they average back to the input forward contract prices. This is a necessary to ensure that there are no arbitrage opportunities introduced between input contracts, and the derived forward curve. The core of the curves package essentially consists of two models; the bootstrapper and the spline. See [Getting Started] getting-started) below for more details on how to use these two model from both C and Python.

Support

Quality

Security

License

Reuse

Support

curves has a low active ecosystem.

It has 42 star(s) with 12 fork(s). There are 8 watchers for this library.

There were 2 major release(s) in the last 6 months.

There are 6 open issues and 13 have been closed. On average issues are closed in 111 days. There are no pull requests.

It has a neutral sentiment in the developer community.

The latest version of curves is 2.0.0a2

Quality

curves has no bugs reported.

Security

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

License

curves is licensed under the MIT License. This license is Permissive.

Permissive licenses have the least restrictions, and you can use them in most projects.

Reuse

curves releases are available to install and integrate.

Deployable package is available in PyPI.

curves has no build file. You will be need to create the build yourself to build the component from source.

Installation instructions are not available. Examples and code snippets are available.

Top functions reviewed by kandi - BETA

kandi's functional review helps you automatically verify the functionalities of the libraries and avoid rework.
Currently covering the most popular Java, JavaScript and Python libraries. See a Sample of curves

Get all kandi verified functions for this library.

curves Key Features

No Key Features are available at this moment for curves.

curves Examples and Code Snippets

No Code Snippets are available at this moment for curves.

Community Discussions

Trending Discussions on curves

Flutter Error "PageController.page cannot be accessed before a PageView is built with it."

Update the navigation menu when changing the display conditions of icons in BottomNavigationBarItem in the flutter

How to add group labels on the end of ggplot2 curves

Is there a way to find the names of the facets in a ggplot?

How to find and connect the maximum points from each contour line

Provider state management for PageController in Flutter

Create a column for days sampled e.g. 0,10,30 days,starting with 0 days for every study area?

How to plot smooth curve through the true data points in Python 3?

How to subtract a String Value from a List during Iteration? Flutter

Riverpod unnecessary rebuilds

QUESTION

Flutter Error "PageController.page cannot be accessed before a PageView is built with it."

Asked 2021-Jun-15 at 08:10

In PageViewBuilder, instead of swipe gesture I want to move to the next page using onTap on an ArgonTimerButton which I found on pub.dev. I created a controller and used controller.nextPage() but it gives me this error:

...

ANSWER

Answered 2021-Jun-15 at 08:10

You are creating the controller but you are not using it.

Instead of :

Source https://stackoverflow.com/questions/67943276

QUESTION

Update the navigation menu when changing the display conditions of icons in BottomNavigationBarItem in the flutter

Asked 2021-Jun-14 at 13:53

I have a navigation menu that I made for a test application, there are some tabs that I want to hide if I am not logged into the application. After logging in, these tabs should appear. The problem is that after logging in, I go to the desired page and I don't see all the navigation menu icons. For them to appear, I need to click on one of the available icons (only 2 icons are available for authorization) and only then the navigation menu will be updated and everything will be as it should be. All 6 icons will be visible! Can someone help me with this? Here I described the problem with the code that I am using. I would be grateful for any help.

...

ANSWER

Answered 2021-Jun-14 at 13:53

Your page is not re built after logging in the user, that is why your nav bar is not updated. When you click on the button it refreshes and correctly displays the new elements.

Instead of using a global variable you could look into a state management package in order to make the logged-in user available throughout your app. (article for getx the simplest one out there)

If this is simply a prototype and you want some quick and dirty, I guess you could trigger a reload of your app once a user logs in by wrapping your app with a widget that exposes a rebuild method. (article)

EDIT: Example with Getx:

Source https://stackoverflow.com/questions/67970796

QUESTION

How to add group labels on the end of ggplot2 curves

Asked 2021-Jun-14 at 12:13

Good afternoon ,

Assume we have the following long data :

...

ANSWER

Answered 2021-Jun-14 at 12:13

Here is one way using ggrepel library -

Source https://stackoverflow.com/questions/67969504

QUESTION

Is there a way to find the names of the facets in a ggplot?

Asked 2021-Jun-13 at 22:08

I would like to add some curves to a ggplot with facets but I can not figure out how to correctly identify a particular panel with a particular name used for faceting. For instance:

...

ANSWER

Answered 2021-Jun-13 at 22:05

We could extract the data.frame in layout

Source https://stackoverflow.com/questions/67962978

QUESTION

How to find and connect the maximum points from each contour line

Asked 2021-Jun-13 at 15:43

How can I find the maximum points of the curves generated by the contour plot, and then connect them?

...

ANSWER

Answered 2021-Jun-13 at 15:43

Extract the index, idx, of the maximum value from each row of array XA
Use idx on T and XA to extract the x-axis and y-axis values.
- Indexing the array is slightly faster than using y = XA.max(axis=1) to get the max XA values.
The shape of XA is (8, 120000), so there are 8 maximums. I'm not certain why only 7 contour lines are showing.
- Use x[:-1] and y[:-1] to not plot the last point.

Source https://stackoverflow.com/questions/67952913

QUESTION

Provider state management for PageController in Flutter

Asked 2021-Jun-13 at 12:56

I made a website with PageController to control the scroll of some screens. And I made a menu section with screen names, and when any of them are pressed, the user will navigate to the respective screen.

The app is working fine. But I refactored the menu button so I can control it's style, and to add animation in the future.

But when I refactored the button, I can't pass the PageController index, or the nextPage function.

That's why I thought of using the provider package. However, I didn't the package before, and my setup seems complex. For I should pass the PageController state to the button, and the button should send the nextPage function with a new number.

How can I achieve this?

Here's my code:

The button:

...

ANSWER

Answered 2021-Jun-12 at 16:17

Using Provider you could wrap the widget that will need PageController with a ChangeNotifierProvider.value

Source https://stackoverflow.com/questions/67923192

QUESTION

Create a column for days sampled e.g. 0,10,30 days,starting with 0 days for every study area?

Asked 2021-Jun-13 at 00:34

I like to create some sampling effort curves for species data. Where are several study areas with a number of sampling plots, resampled over a certain time period. My data set looks similar to this one:

...

ANSWER

Answered 2021-Jun-12 at 11:00

I solved it with a for loop

Source https://stackoverflow.com/questions/67948117

QUESTION

How to plot smooth curve through the true data points in Python 3?

Asked 2021-Jun-12 at 20:12

I have tried a bunch of spline examples already posted for plotting smooth curves in python but those smoothed curves don't always cross through the true points. So far, I tried using make_interp_spline, interp1dand also BSpline.

Is there any way (any spline option) I can plot a smooth curve that must include/cross through true data points?

...

ANSWER

Answered 2021-Jun-12 at 20:12

Here is a simple example with interp1d:

Source https://stackoverflow.com/questions/67949065

QUESTION

How to subtract a String Value from a List during Iteration? Flutter

Asked 2021-Jun-11 at 06:50

I have a list with widget constructors which are strings, that are used in different classes. The list consists of 39 labels and these 39 labels have different text some pages will have only 7 labels, how during iteration can i show only the number of labels that the class displays as a string?

...

ANSWER

Answered 2021-Jun-11 at 06:50

I was able to get through this road block by having one list with all the widgets looping them and adding it to another list which worked wonders for what i was looking for: results = [];

Source https://stackoverflow.com/questions/67898456

QUESTION

Riverpod unnecessary rebuilds

Asked 2021-Jun-10 at 21:47

Problem is : When i click one of my CharBarButtons widget, all the other CharBarButtons are also rebuilt is there a way to avoid that and do the rebuilds individually while using StateNotifier holding List(integers are positions of buttons)

CharBarButtons : (Here i am changing the decoration of CharBarButtons according to the isTapped's boolean value)

...

ANSWER

Answered 2021-Jun-10 at 21:47

Because you are using hooks, this is actually possible.

Change:

Source https://stackoverflow.com/questions/67918044

Community Discussions, Code Snippets contain sources that include Stack Exchange Network

Vulnerabilities

No vulnerabilities reported

Install curves

You can install using 'pip install curves' or download it from GitHub, PyPI.
You can use curves like any standard Python library. You will need to make sure that you have a development environment consisting of a Python distribution including header files, a compiler, pip, and git installed. Make sure that your pip, setuptools, and wheel are up to date. When using pip it is generally recommended to install packages in a virtual environment to avoid changes to the system.

Support

The PDF file [max_smoothness_spline.pdf](docs/max_smoothness/max_smoothness_spline.pdf) contains details of the mathematics behind the maximum smoothness algorithm.

Find more information at: