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Fit portfolio models and evaluate them on later market data

Turn portfolio return histories into metrics, charts and shareable reports

Compiles and optimizes machine-learning models for deployment across hardware targets.

Find production performance bottlenecks in PHP and Python applications, then inspect the responsible code paths.

Call models from multiple inference providers through Hugging Face's shared SDK and API interface.

Compare strategy experiments across assets, parameters and historical periods

Examine stock-factor returns, predictive relationships and turnover

Turn portfolio returns into charts and risk-analysis summaries

Adjust CSS colour pairs and inspect their changing contrast ratio.

Browse compact four-colour combinations with visible hex values

See how a colour pair performs for different text sizes.

CC0 photography with subject and colour browsing

Five-colour palettes drawn from named paintings and their artists

Convert colours between spaces and control their CSS output.

A practical R workflow for transforming and visualizing data

Construct rate curves and inspect fixed-income price sensitivities

A scriptable macOS font editor built around UFO files.

A youth environmental learning programme combining climate science with stories, art and community activities.

Find replacement colours that meet a chosen contrast target.

AI spreadsheet that connects to databases and apps, answers questions in plain English, and builds charts and models.

A handbook for reproducible and collaborative data science

Choose a starting colour and explore a related scheme.

Identify plants from pictures and record biodiversity

AI tools that turn plain English into spreadsheet formulas, scripts, and data analysis.