when a model performs well on training data but poorly on unseen data
モデルがトレーニングデータではうまく動作するが、未見のデータではうまく動作しないとき (moderu ga toreeningu deeta dewa umaku dousa suru ga, miken no deeta dewa umaku dousa shinai toki)
"The model seems to be overfitting because it performs well on the training data but poorly on the test set."
"モデルはオーバーフィッティングしているようです。なぜなら、トレーニングデータではうまく動作しますが、テストセットではうまく動作しないからです。" (Moderu wa overfitting shiteiru you desu. Naze nara, toreeningu deeta dewa umaku dousa shimasu ga, tesuto setto dewa umaku dousa shinai kara desu.)
to take responsibility for something difficult or unpleasant
to support your words with actions or financial commitment
to be lost in thought or imagination
to behave confidently and proudly
casual or polite conversation about unimportant topics
about to be very surprised or shocked
