perform poorly

This leads to models that aren’t generalized, meaning they perform poorly on new data that is the same type but not exactly the same as the training data.

“Suicide risk assessments: Why are we still relying on these a decade after the evidence showed they perform poorly?” asked another, which suggested that the energy used to try to predict suicide “is better directed at … providing treatment for those who seek it.”

They can lose their charters if they fail to put cars on the track each week or if they perform poorly.

He concluded: "It is hard to think of compelling arguments as to why the same policy mix in the two parts of the island, post-unity, would see Northern Ireland's economy continue to perform poorly by comparison with the south."

Those who had expected the opposition to perform poorly in Sunday’s election were stunned.