polars.Expr.peak_max# Expr.peak_max() → Expr[source]# Get a boolean mask of the local maximum peaks. Examples >>> df = pl.DataFrame({"a": [1, 2, 3, 4, 5]}) >>> df.select(pl.col("a").peak_max()) shape: (5, 1) ┌───────┐ │ a │ │ --- │ │ bool │ ╞═══════╡ │ false │ │ false │ │ false │ │ false │ │ true │ └───────┘