AutoMlChannel
A channel is a named input source that training algorithms can consume. The validation dataset size is limited to less than 2 GB. The training dataset size must be less than 100 GB. For more information, see Channel.
A validation dataset must contain the same headers as the training dataset.
Types
Properties
The channel type (optional) is an enum
string. The default value is training
. Channels for training and validation must share the same ContentType
and TargetAttributeName
. For information on specifying training and validation channel types, see How to specify training and validation datasets.
You can use Gzip
or None
. The default value is None
.
The content type of the data from the input source. You can use text/csv;header=present
or x-application/vnd.amazon+parquet
. The default value is text/csv;header=present
.
The data source for an AutoML channel.
If specified, this column name indicates which column of the dataset should be treated as sample weights for use by the objective metric during the training, evaluation, and the selection of the best model. This column is not considered as a predictive feature. For more information on Autopilot metrics, see Metrics and validation.
The name of the target variable in supervised learning, usually represented by 'y'.