Another issue: there are lots of questions with the first sentence having no ending punctuation.
I suspect you just concat the question title and question content without checking where the question title has a correct ending punctuation.
For example, the first two lines:
In which epoch should i stop the training to avoid overfitting I'm working on an age estimation project trying to classify a given face in a predefined age range........
Deep learning with Tensorflow training with big data sets GoalI am trying to build a neural network that recognizes multiple label within a given image........(this one looks bad)
Another issue: there are lots of questions with the first sentence having no ending punctuation. I suspect you just concat the question title and question content without checking where the question title has a correct ending punctuation.
For example, the first two lines: