Explanation:
These lines are in reference to a question which is;
What is the difference between training and test dataset?
As the name suggests, a training data set is defined to be used on a model. This is done in machine learning programming where training data makes up the model and then a test dataset is defined to determine the functionality or the output of the model when given test data.
The proportion of training data and test data is upto programmer, but usually training dataset is more than test dataset
He was a sluggish and paranoid field commander who seemed unable to muster the courage to aggressively engage Confederate General Robert E. Lee’s Army of Northern Virginia.
By law, all tax laws must originate within the "House of Representatives" as opposed to the Senate, since the Founding Fathers wanted to make the process of taxation as fair and representative as possible.