Error running one of the your functions from Use Case 2 of Land Cover dataset

[Figas23]

What happened?

Hello guys.

I recently receive from you the Notebook with Use Case 2 for the Land Cover dataset.

I have tried to run the functions you implemented but the first one I try "Plot trends by region" I get an error.

I would really appreciate if you guys could give me a hand on this one.

Thank you for your time.

Minimal Complete Verifiable Example

I get the error when i try to run this code

da_grouped = (
    grid_cell_area.where(ds["lccs_class"] == 190)
    .groupby(mask.rename("region"))
    .sum(("latitude", "longitude"))
)
da_grouped.attrs = {"long_name": "Urban Area", "units": "km$^2$"}
da_grouped = da_grouped.assign_coords(region=regions.names).compute()

df_dict = {"slope": [], "intercept": [], "tau": [], "p-value": []}
for region in gdf["NUTS_NAME"]:
    da_region = da_grouped.sel(region=region).squeeze()
    slope, intercept, *_ = scipy.stats.theilslopes(da_region, da_region["year"])
    tau, p_value = scipy.stats.kendalltau(da_region["year"], da_region)
    df_dict["slope"].append(slope)
    df_dict["intercept"].append(intercept)
    df_dict["tau"].append(tau)
    df_dict["p-value"].append(p_value)
gdf[list(df_dict)] = pd.DataFrame(df_dict, index=gdf.index)

Relevant log output

I get this Value Error:

ValueError: cannot reduce over dimensions ('latitude', 'longitude'). expected either '...' to reduce over all dimensions or one or more of ('year', 'stacked_latitude_longitude').

Anything else we need to know?

No response

Environment

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[malmans2]

Which template is this?

[malmans2]

Is it this one? https://github.com/bopen/c3s-eqc-toolbox-template/blob/main/notebooks/wp5/LUCL_land_cover_classification_reliability.ipynb

I just tried it on the VM and it works fine.

I don't know exactly which libraries is causing the error, it might be xarray as you are using an old version. You should either update the environment (instructions to reproduce the WP5 environment are in the README), or use the VM (which is why it was created: to share cache and environments).

[malmans2]

If it's another notebook, please share the full traceback and/or the notebook you are running. The code and traceback you shared is not complete, I need to be able to reproduce the error and see the full tracebook (e.g., line that raises the error, library that raises the errror, ...)