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W-Logistic and EqualLabelWeighting

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Hi,

the W-Logistic operator throws an exception: "sum of weight of instances less than 1". I'm using the EqualLabelWeighting operator for assigning weights to examples. Shouldn't the summed up weights of all exampes be 1?

Thanks

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TobiasMalbrecht

Hi,

yes, in principal the weights created by the [tt]EqualLabelWeighting[/tt] operator should sum to 1 with the default parameter values. Did you check if the error occurs also when you set the [tt]total_weight[/tt] parameter to value greater than 1? Perhaps the weights do not sum exactly to 1 because of rounding errors?

Regards,
Tobias

Username

Tobias Malbrecht wrote:

Hi,

yes, in principal the weights created by the [tt]EqualLabelWeighting[/tt] operator should sum to 1 with the default parameter values. Did you check if the error occurs also when you set the [tt]total_weight[/tt] parameter to value greater than 1? Perhaps the weights do not sum exactly to 1 because of rounding errors?

Regards,
Tobias

I tried [tt]total_weight = 2[/tt] without any problems. I guess you're right with the rounding errors.