I'm looking for an app to create charts like the one in the picture. I been using gephi and trying to use circos. Gephi is still on beta and circos needs a lot of configuration in order to get the chart. I'm looking for something easier that could convert a csv file into a chart like this.
In Python, you can use
CircosPlot from nxviz (used to be circos). This is developed by Eric Ma on top of Matplotlib. Note that the documentation seems minimal but as Eric is not paid for this (and is a PhD student) I am sure he would appreciate help improving the docs.
Chord provided by Bokeh looks great but I am not sure how simple it is to adjust how it displays (note that the box_zoom tool creates visual distortions, turn this off
by specifying the plot tools using the kwarg tools='pan,wheel_soom,save,reset')
plotly
In R, you can use
chordDiagram from the circlize package
chorddiag from the chorddiag package
Related
I have a need to calculate the CDF of a truncated normal distribution in an AnyLogic model. I haven't found any java packages that would work (but would take recommendations). I did find a package in R called truncnorm that will work for me. However, I'm struggling to figure out the best way to call the truncnorm R package. I'm experimenting with JRI in the rJava package. My plan is to add JRI as a .jar file to the Dependencies section of my AnyLogic model but I'm struggling to get it working so far.
Any other suggestions for how to do this before I keep beating my head against the wall with JRI?
If you can do the same thing in Python, you can easily call it from AnyLogic by using AnyLogic Pypeline.
I would like to paste the data-frame from the R environment to the latex part (question or solution part) when creating exercises in r-exams. Later the exercises will be imported into Moodle. Is that possible in r-exams? We saw it is possible when the object is matrix object via $\Sexpr{toLatex(matrix_obj)}$. But a similar way does not seem to work with the data-frames. Thank you!
A data.frame would usually be included as a {tabular} in LaTeX and there are various packages for automatic conversion like xtable or using the function kable() in knitr. For PDF output this also works nicely including all vertical and/or horizontal lines included in the table. However, for HTML-based output (as for Moodle) the table as such is converted correctly but without any lines.
An overview of a couple of solutions is available as:
Different copies of question with table for Moodle with R-Exams
Moreover, Kenji Sato has proposed to inject some dedicated CSS code to handle the table formatting in HTML. We are currently working on some automated way of including this in R/exams:
https://www.kenjisato.jp/en/post/2020/07/moodle-bordered-table/
I'm working on a script to convert a Simulink library to a plain model, meaning it can be simulated, it does not auto-lock etc.
Is there a way to do this with code aside from basically copy-pasting every single block into a new model? And if it isn't, what is the most efficient way to do the "copy-paste".
I was not able to find any clues as how to approach this problem here, or on Google, or on the official documentation or on the MathWorks forum so I'm at a loss on how to proceed.
Thank you in advance!
I don't think it's possible to convert a library to a model, but you can programmatically add library blocks to models like so:
sys = 'testModel';
new_system(sys);
open_system(sys);
add_block('Simulink/Sources/Sine Wave', [sys, '/MySineWave']);
save_system(sys);
close_system(sys);
sim(sys);
You could even use the find_system command to list all the blocks in a library and then loop through them all and create a new model for each using the above code.
I am trying to run Omnet++ and matlab software in parallel and want them to communicate. When Omnet++ is running, I want to update the position of the node and for that I want to edit the .ned and .int files with matlab results continuously. During simulation I want to generate the result file using the updated files. I want just to update the position and don't want to add or delete any node. Please suggest me a way for proceeding?
matlab_loop
{
matlab_writes_position_in_ned_file;
delay(100ms);
}
omnet_loop
{
omnet_loads_ned_and_simulates;
//sca and vec should update;
delay(100ms);
}
Thank you.
NED and Ini files are read only during initialization of the model. You can't "read" them again after the simulation started. On the other hand, you are free to modify your parameters and create/delete modules using OMNeT++'s C++ API. What you want to achieve is basicaly: set your node position based on some calculations carried out by matlab code. The proper way to do it:
Generate C code from your matlab code.
Link that code to your OMNeT++ model
Create a new mobility model (assuming you are using INET) that is using the matlab code
What you are looking for seems to be more of a project rather than a question/problem which can be solved in Q&A site like stackoverflow.
Unfortunately, I have little understanding of matlab and V-REP to provide you a satisfactory answer. However, it seems that you will need to play around with APIs in lower levels.
As an example of coupling different simulation tools to form a simulation framework in case of need consider reading this paper and this
Also note the answer given by #Rudi. He seems to know what he is talking about.
need some help on this.
Currently I am doing a project on computer vision that requires me to train a new model to detect a certain object.
In this case, I am using the system provided by P. Felzenszwalb, D. McAllester, D. Ramaman and his team => Discriminatively trained deformable part models which is implemented in Matlab.
Project webpage: http://www.cs.uchicago.edu/~pff/latent/.
However I have no idea how to direct the system to use my dataset(a collection of images and annotation) which is different from the the PASCAL datasets so as to train a new model.
By directing, I meant a line of code that allows me to change the dataset the system reads from, for training a model.
E.g.
% directory for caching models, intermediate data, and results
cachedir = ['/var/tmp/rbg/YOURPATH/' VOCyear '/'];
I tried looking at their Readme and documentation guides but they do not make any mention. Do correct me if I am wrong.
Let me know if I have not made my problem clear enough.
I tried looking at some files such as global.m but no go.
Your help is much appreciated and thanks in advance!
You can try to read pascal.m in the DPM package(voc-release5), there are similar code working on VOC2007/2010 dataset.
There are plenty of parts that need to be adapted to achieve this. For example the voc_config has to be adapted in order to read from your files.
The same with the pascal_train.m function. Depending on the images and the way you parse them, this may require quite some time to adapt this function.
Other functions to consider:
imreadx
pascal_test
pascaleval