Installation

Requirements

• Julia 1.10 or later
• OnlineStatsBase.jl

Installing from Package Registry

Once registered, install OnlineStatsChains.jl using Julia's package manager:

using Pkg
Pkg.add("OnlineStatsChains")

Development Installation

To install the development version:

using Pkg
Pkg.develop(url="https://github.com/femtotrader/OnlineStatsChains.jl")

Or from a local path:

using Pkg
Pkg.develop(path="/path/to/OnlineStatsChains")

Verifying Installation

Test that the package is correctly installed:

using OnlineStatsChains
using OnlineStatsBase

# Create a simple DAG
dag = StatDAG()
add_node!(dag, :test, Mean())
fit!(dag, :test => 1.0)

println("Installation successful! Value: ", value(dag, :test))

Dependencies

OnlineStatsChains.jl depends on:

• OnlineStatsBase.jl - Provides the base OnlineStat types

Optional Dependencies

For documentation:

• Documenter.jl

For testing:

• Test (Julia standard library)

Compatibility

• Julia: 1.10+
• OnlineStatsBase: 1.x

Troubleshooting

Common Issues

Issue: Package not found Solution: Make sure you're using Julia 1.10 or later and have an up-to-date package registry.

using Pkg
Pkg.update()
Pkg.add("OnlineStatsChains")

Issue: Method errors with OnlineStats Solution: Ensure you have compatible versions of OnlineStatsBase.jl installed.

using Pkg
Pkg.status("OnlineStatsBase")

Getting Help

If you encounter issues:

1. Check the GitHub Issues
2. Read the FAQ
3. Ask on Julia Discourse