How to run Julia in a Jupyter notebook?
To run Julia in a Jupyter notebook, you’ll have to add a package “IJulia” that provides this feature. In your Julia terminal, type:
- using Pkg
Run Julia in Jupyter Notebook
Julia is now added to your Jupyter Notebook.
- Open your Jupyter notebook by typing “jupyter-notebook” on your anaconda terminal.
- On the top right corner, click on “New”.
- Select “Julia 1.6.3” from the drop-down menu.
- You’re now ready to code in Julia using Jupyter Notebook!
Code Julia using Jupyter Notebook
How to install packages in Julia?
One of the first steps in getting started with any programming language is installing various packages for different purposes.
To add any packages in Julia, follow these steps:
- using Pkg
- using “package-name”
If you’re familiar with Python, the “using” keyword in Julia is equivalent to “import” in Python and “pip install package-name” in Python is equivalent to “Pkg.add(“package-name”)”. “Pkg” is the package manager in Julia.
For example – The screenshot below is an example of adding the package “CSV.jl”, which is used to read “.csv” files in Julia.
Adding Package in Julia
Basic packages in Julia
As I mentioned earlier, there are 6000+ registered packages in Julia.
Here are some packages that will help you get started with the most common operations:
- CSV.jl is used to read .csv files,
- XLSX.jl can be used for reading excel sheets,
- JLD.jl for saving and loading Julia variables,
- DataFrames.jl is used to manage dataframes.
- Plots.jl is used for generating plots.
- Images.jl for image processing,
- RCall.jl and PyCall.jl for using R and Python code in Julia.
For more specific applications, these packages are used:
- Mocha.jl for training neural networks,
- Tensorflow.jl and ScikitLearn.jl for ML models,
- DifferentialEquations.jl for solving differential equations.
These packages will be a good starting point on your Julia journey. There are many more useful packages that we will talk about later.
Julia packages for algorithmic trading
Algorithmic trading is an example of a field that requires intensive computing capabilities in some cases. In such a field, processing data faster using an easy-to-write programming language can add a lot of value for traders and investors.
It could also open up the space for non-expert programmers who want to get started and be more actively involved.
Julia has various registered packages available for quantitative finance, such as:
- MarketTechnicals.jl – For financial time series technical analysis.
- FinancialDerivatives.jl – For financial derivatives modelling and pricing
- QuantLib.jl – Aims to provide a Julia version of QuantLib written in C++.
- QuantEcon.jl – For quantitative economics
- Jib.jl – Julia implementation of Interactive Brokers API
- BusinessDays.jl – Highly optimised business days calculator written in Julia
- Quandl.jl – For data from Quandl
- YStockData.jl – For data from Yahoo Finance
- TradingLogic.jl – For backtesting and live trading
Some of these packages are not very stable since Julia is still an emerging language. They should give us an idea of the possibilities and the enthusiasm for this language in quantitative finance.
Visit QuantInsti for additional insight on this topic: https://blog.quantinsti.com/julia-programming/.
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Disclosure: API Examples Discussed
Throughout the lesson, please keep in mind that the examples discussed are purely for technical demonstration purposes, and do not constitute trading advice. Also, it is important to remember that placing trades in a paper account is recommended before any live trading.