Machine-Learning Error: Message=Could not apply a map over type 'Single' to column 'YourOneHotEncodeColumn' since it has type 'String'

Question

Machine-Learning Error: Message=Could not apply a map over type &#x27;Single&#x27; to column &#x27;YourOneHotEncodeColumn&#x27; since it has type &#x27;String&#x27;

Accepted Answer

Machine-Learning Error: Message=Could not apply a map over type 'Single' to column 'DrawDateEncoded' since it has type 'String'

Solution: Go to your DTO classes and change the type of the column from String to a Float. Keep on refactoring the code until there are no errors.

Machine-Learning Error: Message=Could not apply a map over type 'Single' to column 'YourOneHotEncodeColumn' since it has type 'String'

Schema mismatch for feature column 'Features': ex

Schema mismatch for feature column 'Features': expected Vector<Single>, got VarVector<Single> (Parameter 'inputSchema')

Statistics Best Books and Machine Learning Resourc

Statistics Best Books and Machine Learning Resources

OverflowException: Value was either too large or t

OverflowException: Value was either too large or too small for an Int32

What is a Transformer in Machine-Learning

What is a Transformer in Machine-Learning

System.InvalidCastException: Unable to cast object

System.InvalidCastException: Unable to cast object of type 'Microsoft.ML.Data.TransformerChain`1[Microsoft.ML.ITransformer]' to type 'Microsoft.ML.Data.TransformerChain`1[Microsoft.ML.Data.RegressionPredictionTransformer`1[Microsoft.ML.Trainers.LinearRegressionModelParameters]]'.

Preprocessing Data For Machine Learning

Preprocessing Data For Machine Learning

Machine Learning Course Udamy Notes

Machine Learning Course Udamy Notes

[Solved] Machine-Learning Error: The expected type

[Solved] Machine-Learning Error: The expected type was 'System.Single' but the actual value was of type 'System.Decimal

Sql Server Error: Unable to modify table. The co

Sql Server Error: Unable to modify table. The conversion of a date data type to a datetime data type resulted in an out-of-range value. The statement has been terminated

Retraining Machine Learning Model in Microsoft Mac

Retraining Machine Learning Model in Microsoft Machine Learning (ML.Net) Error

Machine Learning Notes

Machine Learning Notes

[Solved] Entity Framework Core Asp.Net Core 3.1 Er

[Solved] Entity Framework Core Asp.Net Core 3.1 Error: SqlException: The conversion of a datetime2 data type to a datetime data type resulted in an out-of-range value. The statement has been terminated

[Solved] cannot apply indexing with [] to an expre

[Solved] cannot apply indexing with [] to an expression of type QueryString

Can't bind the IDataView column ColumnName of type

Can't bind the IDataView column ColumnName of type VectorSingle, 2 to field or property AnotherColumnName of type System.Single