20 мар. 2024 г. · let mut chunked_builder = ListPrimitiveChunkedBuilder::<Float64Type>::new( "", array.len_of(Axis(0)), array.len_of(Axis(1)), ...

15 дек. 2023 г. · Series are dynamically typed. You can make them strongly typed ChunkedArray s by using the i32 (or whichever type the series is) accessor:

7 мар. 2022 г. · You can collect the values into a Vec . use polars::prelude::*; fn main() -> Result<()> { let s = Series::new("a", 0..10i32); let as_vec: ...

27 дек. 2022 г. · Yes, your code works if you enable the dtype-u8 feature like this in Cargo.toml : polars = { version = "0.26.1", features = ["dtype-u8"] }.

2 сент. 2022 г. · Here is a workaround inspired by this: Create a struct -> Json -> DataFrame -> Series. Its a little convoluted, but works for me.

14 февр. 2023 г. · I am trying to convert some code using an ndarray to a polars DataFrame. I have a function that samples from multiple distributions.

6 сент. 2024 г. · I am using Rust with cargo 1.80.1 and polars = "0.42.0" , and I want to convert a polars Series of Strings to Vec<String> as more common ...

28 янв. 2023 г. · 1 Answer 1 · I didn't need the .lit() but I'm not sure if that was because I was running it in Python or because it was an eager dataframe : ...

14 мая 2023 г. · My test asserts true, even though I have different values in the Series. In the below test index 0 (100.94947) is wrong but it passes

15 мар. 2023 г. · How to create a polars-Series from a vector of options · 1 · Is there a way to create a rust-polars Series from Vec<u8>? 245 · How do I stop ...