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Questions tagged [arch]

arch is the Python package that contains routines to fit univariate volatility models, bootstrapping, multiple comparison procedures, and unit root tests. This tag is to be used for questions that use the arch package.

159 questions
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Installing python arch on Windows fails - with Anaconda 32 bit

This page shows how to install the arch-py package in a conda environment. The list of labels includes win-64, which makes me think that the same command should work also on Windows, just like the installation of numpy works. I tried as suggested,…
stenci
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Hyprland mouse icon disappears after Application start

My Mouse Cursor disappears after I launch any application. Everything else works as intended. Clicking, Draging, Mouse wheel. But I can|t see where the mouse is. I tried to google for similar problems but did not find anything like that. Details…
JPudel
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Expo throws : Permission denied when starting expo app

I have had a code of react native. I installed the npm pacakges and when I run npm start it says permission denied. I tried to change ownership using sudo chown linux: node_modules/.bin/**. But it also didn't work. I tried to start being root that…
Rosan Paudel
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Geph4-client is not connecting in vpn-mode in linux manjaro

The geph4-client could not connect in vpn mode but it connects in no-vpn mode and the proxy is working. geph version: geph4-client 4.7.12 command: sudo geph4-client connect --override-connect [key]@[servers-ip:17814] --vpn-mode tun-route command…
ahmad sh
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initdb: /usr/lib/libssl.so.3: version `OPENSSL_3.0.0' not found (required by /usr/lib/libpq.so.5) BlackArch

I tried to update postgres on BlackArch distribution Help me please guys! or is it better to reinstall the system? I get an error during initialization: su - postgres -c "initdb --locale en_US.UTF-8 -D '/var/lib/postgres/data'" …
Andrew Titov
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Python code for estimation risk in Value at Risk

I am trying to write a python code for estimation risk as in the article by Escanciano and Olmo (2011). I need to simulate an ARCH(1) process using Monte Carlo simulation. But something is wrong with my code, probably in sigma_u in the test…
AL_23
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laggy GUI dataspell and pycharm in archcraft linux

I used ubuntu and fedora for my data science and machine learning work and the IDE i used was pycharm and dataspell and they worked like fine butter (smoothly). But in archcraft there is a lag in them. and so much so that my RAM spikes going from…
Abdul Wahab
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Cannot start docker service after fresh docker install

Problem I just installed Docker on my arch machine with sudo pacman -S docker Just after that I tried to initialize Docker services with sudo systemctl start docker.service it is showing this error - Job for docker.service failed because the…
Priyanshu Jha
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How do I compile a cargo project for other platforms?

I am just starting to learn rust and I want to send my friend a little program I made. However, I am on windows and he is using an Arch based OS (I think one of the Manjaro KDE ones). How would I compile my cargo project to work on his OS? Or any…
DaFrancc
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Arch Linux GDB error: "pc 0x401000 in address map, but not in symtab." occured. How can I fix this?

I learn to write code in NASM, and wrote the following program: bits 64 section .text global _start _start: mov eax, 60 mov edi, 0 syscall Also I use this Makefile to compile it: S = /usr/bin/nasm LD =…
Stepan
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Warning a LOAD segment with RWX permissions during linux kernel build leads to an error

When building the 5.18 kernel from the Linus Torvalds git for arch linux, several similar warnings appear and the build ends with an error: `MODINFO modules.builtin.modinfo GEN modules.builtin LD .tmp_vmlinux.btf ld: warning:…
AndreyRz
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Predicting MGARCH without training every time in Python

I am using mgarch package in python, and I am fitting a MGARCH in volatility like this: returns = get_returns() # dataframe with timestamp as index, tickers as columns train, test = train_test_split(returns, train_size=len(returns)*3//4) dist =…
Nicolas Rey
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How to forecast volatility using arch_model.predict() method?

I have fitted a GARCH model using arch library (https://arch.readthedocs.io/en/latest/index.html#) Now I am trying to predict future volatility, but I can't see predictions any further then tomorrow. Changing horizon parameter makes new columns…
Ekaterina Solodova
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JSPWiki pages on a different disk

My JSPWiki servlet on Tomcat cannot make use of a wiki page directory not located in tomcat/lib as it did before. Any idea why? I am using JSPWiki 2.11.3 and Tomcat 10.1.6. In jspwiki-custom.properties I have…
ngong
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Anyone can help me making an archviz minimap in unreal engine 5?

I want to make an archviz minimap for my architecture project in unreal engine 5 but there isnt any helpfull tutorial for this! Can anyone help me for this?! I try some but i didnt have good result
Keyvan.hzn
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