r-tutorials | Приложения к книге Статистический анализ и визуализация

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kandi X-RAY | r-tutorials Summary

r-tutorials is a R library. r-tutorials has no bugs, it has no vulnerabilities and it has low support. You can download it from GitHub.

Приложения к книге "Статистический анализ и визуализация данных с помощью R"

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r-tutorials has a low active ecosystem.

It has 148 star(s) with 79 fork(s). There are 38 watchers for this library.

It had no major release in the last 6 months.

r-tutorials has no issues reported. There are no pull requests.

It has a neutral sentiment in the developer community.

The latest version of r-tutorials is current.

Quality

r-tutorials has 0 bugs and 0 code smells.

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r-tutorials has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.

r-tutorials code analysis shows 0 unresolved vulnerabilities.

There are 0 security hotspots that need review.

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r-tutorials does not have a standard license declared.

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

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r-tutorials Key Features

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r-tutorials Examples and Code Snippets

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Community Discussions

Trending Discussions on r-tutorials

remeshing a vtk file with mmg (mmgs) file using a size map

Trouble installing ROS Melodic Ubuntu 21.10

Unique color for zero values in pyplot TwoSlopeNorm LinearSegmentedColormap

How do i get byte[] pcmData of internal audio (Xt Audio for Java)

Using self in init part of a class in Python

Stream plot with varying colours in matplotlib giving 2 cmaps

How to colorize a part of code in a GitHub repository?

Is there an efficient way to bin the main colors from an RGB image?

Getting ’Cannot find config for target=opencl -device=intel_graphics -model=unknown, workload=' error` when trying official TVM tutorial

How to programmatically tell the matplotlib plot window to save and close

QUESTION

remeshing a vtk file with mmg (mmgs) file using a size map

Asked 2022-Feb-23 at 10:45

I’m using mmgtools's mmgs to remesh some polydata (vtp files). I need to control the cell size according to a metric, so I provide a size map. However, I can’t succeed to make mmgs take this size map into account. For now, I'm trying with just a constant size.

If I provide a constant size at the command line (mmgs_O3 test.vtp -hsiz .001), it works as expected.

However if I save this same size in point data, suffixed with :metric (as explained in the prerequisite section):

...

ANSWER

Answered 2022-Feb-23 at 10:45

To answer myself, it's because the mesh contained other data values. In that case mmgs doesn't fail, but remeshes while ignoring the passed size metric.

In order to work, the mesh's cells and point must be stripped of any other data, and contain only the :metric value.

Source https://stackoverflow.com/questions/71171495

QUESTION

Trouble installing ROS Melodic Ubuntu 21.10

Asked 2021-Dec-12 at 22:41

I am trying to install ROS Melodic using the instructions on wiki.ros.org and stumbled upon some problems.

System software information:

Operating System: Kubuntu 21.10

KDE Plasma Version: 5.22.5

KDE Frameworks Version: 5.86.0

Qt Version: 5.15.2

Kernel Version: 5.13.0-19-generic (64-bit)

Graphics Platform: X11

Problem

I have first followed steps from http://wiki.ros.org/melodic/Installation/Ubuntu and later followed the steps from https://varhowto.com/install-ros-melodic-ubuntu-18-04/#Step_1_%E2%80%94_Install_ROS_Melodic_repo , both with unsuccessful results.

When running sudo apt update I am getting:

...

ANSWER

Answered 2021-Dec-12 at 22:41

You're getting this error because Melodic is the ros distro for Ubuntu 18.04. As of present the most recent release is Noetic which targets 20.04. The version of Ubuntu you're using does not currently have a supported ROS release, as such your only real option is to downgrade if you want ROS.

Source https://stackoverflow.com/questions/70319587

QUESTION

Unique color for zero values in pyplot TwoSlopeNorm LinearSegmentedColormap

Asked 2021-Sep-28 at 18:47

I'd like to use a custom (blue) color on a plot where the data is zero. I have tried the set_under method, but failed. The desired output would be a blue line at the bottom and a two blue square at the upper part of the graph. Any help is appreciated.

...

ANSWER

Answered 2021-Sep-28 at 18:47

For some unknown reason, TwoSlopeNorm doesn't seem to honor the under nor over colors. Changing the code to use plt.Normalize() instead of TwoSlopeNorm() indicates that for that norm, the under color works as expected.

A workaround is to draw the pcolormesh a second time, only for the under color. A drawback is that the under color isn't shown in the colorbar extension.

Source https://stackoverflow.com/questions/69351535

QUESTION

How do i get byte[] pcmData of internal audio (Xt Audio for Java)

Asked 2021-Feb-07 at 12:06

How do i get byte[] pcmData (just like in https://github.com/goxr3plus/Java-Spectrum-Analyser-Tutorials) but on xt audio? i wanted to draw the osc (spectrum analyzer) of the internal audio using wasapi (output speakers) of the computer real time. e.g. analyzes youtube audio output real time, internal audio of games, etc.

edit: how do i capture internal audio wasapi pcmdata (internal sound, not mic sound) using xt audio to analyze it on a visualizer? i need byte[]

...

ANSWER

Answered 2021-Feb-07 at 12:06

See below for a complete example. It records 1 second of audio data for each loopback device, converts it to a byte array, then dumps that to a file with the name of the device. I hope it's sufficiently self-explanatory.

Source https://stackoverflow.com/questions/66043778

QUESTION

Using self in init part of a class in Python

Asked 2021-Feb-06 at 13:48

Is there any difference between the following two codes related to initializing a class in Python?

...

ANSWER

Answered 2021-Feb-02 at 18:45

No. there is no difference between these two approaches in your case with this level of information. but could they? Yes. they could. if they have some modifications in their setters or getters. later in my answer I'll show you how.

First of all, I prefer using this one:

Source https://stackoverflow.com/questions/66012667

QUESTION

Stream plot with varying colours in matplotlib giving 2 cmaps

Asked 2020-Jun-17 at 18:26

A stream plot, or streamline plot, is used to display 2D vector fields. I am creating a stream plot with varying colors in Python but am getting two different cmap on the side. The code used is almost identical to the help file but I am getting multiple cmaps on the third plot. How does one remove the second cmap?

Below is the code that I used followed by the output.

...

ANSWER

Answered 2020-Jun-17 at 18:26

You should specify the ax of the ax2.streamplot:

Source https://stackoverflow.com/questions/62435757

QUESTION

How to colorize a part of code in a GitHub repository?

Asked 2020-Jun-11 at 07:09

How to make code selected on GitHub? For example, there is a part of the code selected with background color.

...

ANSWER

Answered 2020-Jun-11 at 07:09

In this URL:

Source https://stackoverflow.com/questions/62318761

QUESTION

Is there an efficient way to bin the main colors from an RGB image?

Asked 2020-May-17 at 06:49

I am working on a project where, loosely put, I'd like to extract the top n colors from an image along with a measure of the relative popularity of each. I started out using PIL and the getcolors() method but quickly ran into the problem of converting the (frequency, color) tuples getcolors() returns back to RGB values—or even to colors in a PIL palette. That said, the upshot of PIL is that it maps the RGB values to a single dimension.

...

ANSWER

Answered 2020-May-16 at 17:28

I happen to have pillow 6.2.1 if that matters.

Also the documentation for getcolors() points out that if the actual number of colors in the image exceeds the maxcolors parameter, then None is returned.

So, my own experiment goes like this:

Source https://stackoverflow.com/questions/61833435

QUESTION

Getting ’Cannot find config for target=opencl -device=intel_graphics -model=unknown, workload=' error` when trying official TVM tutorial

Asked 2020-Apr-09 at 07:05

I'm trying to run the first example in TVM, but at the very begining I'm faced with these errors. I have built the tvm with LLVM ON and OpenCL On (installed Intel sdk for opencl applications - opencl 2.1). The build process went smoothly without a hitch, so I guess everything is in place.

However I get these errors when I tried to run this snippet from this example: Quick Start Tutorial for Compiling Deep Learning Models :

...

ANSWER

Answered 2020-Apr-09 at 07:05

What you are seeing is not an error, but a warning. Because TVM could not find a log file which contains the optimized schedules, it will just use the default (fallback) schedules.

To get rid of the warning, you need to use AutoTVM (as in this example) to find the optimized schedules. After that, you can proceed to compiling.

Source https://stackoverflow.com/questions/60069102

QUESTION

How to programmatically tell the matplotlib plot window to save and close

Asked 2020-Jan-07 at 19:07

This snippet opens the plot window and it stays open until I click to close it. How do I tell Matplotlib to save the graphic and close the window?

...

ANSWER

Answered 2020-Jan-07 at 19:07

Just use plt.savefig instead of plt.show() if you want to save the figure instead of display it:

Source https://stackoverflow.com/questions/59634511

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