fix: actually use wasmstan in wasmstan example

[sd2k]

Summary by CodeRabbit

• New Features

  • Updated the example implementation of the Prophet model to utilize the WasmstanOptimizer for improved performance.

• Documentation

  • Enhanced comments to clarify the transition from CmdstanOptimizer to WasmstanOptimizer.

[coderabbitai]

Walkthrough

The changes involve updating an example implementation of the Prophet model to utilize the WasmstanOptimizer instead of the CmdstanOptimizer. This includes modifications to the import statements, the instantiation of the optimizer in the main function, and the removal of parameters previously required by the CmdstanOptimizer. The overall structure of the code, including data preparation and model fitting, remains unchanged.

Changes

File	Change Summary
examples/forecasting/examples/prophet_wasmstan.rs	Updated to use WasmstanOptimizer instead of CmdstanOptimizer. Changed optimizer instantiation and removed unnecessary parameters. Comments updated to reflect changes.

Possibly related PRs

• Add Prophet WASM example #152: This PR modifies the example implementation of the Prophet model to use WasmstanOptimizer, closely related to the current changes.

Poem

In the meadow where bunnies play,
A new optimizer hops in today.
With Wasmstan's charm, we fit and predict,
Leaving Cmdstan behind, oh what a shift!
Data dances, models align,
In our code, the sun will shine! 🐇✨

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📜 Recent review details

Configuration used: CodeRabbit UI
Review profile: CHILL

📥 Commits

Reviewing files that changed from the base of the PR and between 0552ec4 and e4399f9.

📒 Files selected for processing (1)

• examples/forecasting/examples/prophet_wasmstan.rs (2 hunks)

🔇 Additional comments (2)

examples/forecasting/examples/prophet_wasmstan.rs (2)

1-1: LGTM! Documentation and imports correctly updated for wasmstan.

The file comment and import statement accurately reflect the transition to using the WasmstanOptimizer.

Also applies to: 4-4

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34-35: LGTM! Clean transition to WasmstanOptimizer.

The implementation correctly initializes the WasmstanOptimizer and integrates it with Prophet using default configurations. The simplified initialization without path parameters is an improvement over the previous CmdstanOptimizer implementation.

Let's verify the example can be found and compiled:

✅ Verification successful

Implementation verified successfully

The example demonstrates correct usage of WasmstanOptimizer:

• Proper import from augurs::prophet::wasmstan
• Clean initialization without path parameters
• Correct integration with Prophet and regressors
• Working assertions verifying predictions, including confidence intervals

🏁 Scripts executed

The following scripts were executed for the analysis:

Script:

#!/bin/bash
# Description: Verify the example exists and contains the correct optimizer

# Check if the example file exists and contains WasmstanOptimizer
rg -l "WasmstanOptimizer" "examples/forecasting/examples/prophet_wasmstan.rs"

# Verify there are no remaining references to CmdstanOptimizer
rg "CmdstanOptimizer" "examples/forecasting/examples/prophet_wasmstan.rs"

Length of output: 197

---

Script:

#!/bin/bash
# Let's verify the complete implementation and dependencies

# Check the full content of the example file
cat examples/forecasting/examples/prophet_wasmstan.rs

# Check if WasmstanOptimizer is properly imported
rg -p "use.*WasmstanOptimizer" examples/forecasting/examples/prophet_wasmstan.rs

# Look for any test assertions in the file
rg -p "assert" examples/forecasting/examples/prophet_wasmstan.rs

Length of output: 2138

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