What’s New: MindsDB Product Updates - December 2021

[C0staTin]

New features and improvements:

• Added Trino as a supported datasource.
• Simplified type mapping in Json AI
• Setter for neural mixer # epochs
• Improved nan handling
• Drop columns with no information
• LightGBM mixer supports weights
• Improved OneHot and Binary encoders' logic around weights
• New accuracy function lookup hierarchy
• Better warning logs when nan or inf values are encountered
• Improve time aim
• Automate model/forecaster selection so sktime mixer forecasts are improved.

Bug fixes:

• Fixed LightGBM error on CPU
• Cast TS group by values to string to avoid TypeError
• Check target values when transforming time series if task requires them
• Streamline encode/decode in TsArrayNumericEncoder
• target_weights argument is now used properly
• Use custom R2 accuracy to account for edge cases
• Fixed target dropping behavior
• Added better warning logs for when an encoded rep contains nan or inf
• Fixed target dropping behavior
• Fixed GROUP_BY arguments error
• OneHot and Binary Encoders weighting fix
• Resolved import mindsdb in Google Collab
• Fix for empty space in integration name