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Fix solution retrieval in lunar lander eval #457

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merged 2 commits into from
Jan 30, 2024
Merged

Fix solution retrieval in lunar lander eval #457

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9bfc714
Fix lunar lander evals
btjanaka Jan 30, 2024
05ae055
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btjanaka Jan 30, 2024
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8 changes: 8 additions & 0 deletions HISTORY.md
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Original file line number Diff line number Diff line change
@@ -1,5 +1,13 @@
# History

## 0.7.1 (Forthcoming)

### Changelog

#### Bugs

- Fix solution retrieval in lunar lander eval ({pr}`457`)

## 0.7.0

To learn about this release, see our page on What's New in v0.7.0:
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7 changes: 4 additions & 3 deletions examples/lunar_lander.py
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Expand Up @@ -61,7 +61,7 @@
import tqdm
from dask.distributed import Client, LocalCluster

from ribs.archives import GridArchive
from ribs.archives import ArchiveDataFrame, GridArchive
from ribs.emitters import EvolutionStrategyEmitter
from ribs.schedulers import Scheduler
from ribs.visualize import grid_archive_heatmap
Expand Down Expand Up @@ -318,7 +318,8 @@ def run_evaluation(outdir, env_seed):
retrieve the archive and save videos.
env_seed (int): Seed for the environment.
"""
df = pd.read_csv(outdir / "archive.csv")
df = ArchiveDataFrame(pd.read_csv(outdir / "archive.csv"))
solutions = df.get_field("solution")
indices = np.random.permutation(len(df))[:10]

# Use a single env so that all the videos go to the same directory.
Expand All @@ -330,7 +331,7 @@ def run_evaluation(outdir, env_seed):
)

for idx in indices:
model = np.array(df.loc[idx, "solution_0":])
model = solutions[idx]
reward, impact_x_pos, impact_y_vel = simulate(model, env_seed,
video_env)
print(f"=== Index {idx} ===\n"
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