```json { "picks": [ { "source": "gold", "table": "Iris_by_Species", "caption": "Petal length and width show dramatic differences across species, with Virginica distinctly larger than Setosa, revealing the dataset's primary classification signal." }, { "source": "gold", "table": "Iris_by_Species", "caption": "Sepal dimensions vary more subtly by species compared to petal measurements, indicating why petal traits are stronger discriminators in iris classification." }, { "source": "bronze", "table": "Iris", "caption": "The dataset contains 150 individual iris flower measurements balanced across three species, providing a foundational view of sample composition." } ] } ```