Updates were not made on the downscaling module but on the CSDownscale Intlr function. Two different modifications were implemented:
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In the 9nn option, Principal Component Analysis (PCA) is applied. A bug related to this application was identified in the function and has been corrected.
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For many climate prediction products, the number of ensemble members for forecasts and hindcasts differs. As a result, when downscaling forecast data, it is not possible to train downscaling equations separately for each hindcast member and then apply the established formula to the same forecast member. The function was previously arranged by taking this information into consideration. However, now, an if condition was added for the cases where the number of forecast and hindcast members is the same, enabling the function to downscale each member individually in such situations.