On the same dataset from the previous question, suppose you train a classifier that achieves the following behavior. of those documents that are actually spam, the classifier is accurate on 95% of them. of those documents that are really ham, the classifier is accurate on 50% of them. what is the precision of this system at detecting spam?

The areas with the highest population density in europe are most likely to be

What if the united states, mexico, and canada took the eu’s example and joined to forms north american union ? based on your knowledge of the europe union, describe two setbacks or hurdles that this idea might face

What effect did the enclosure acts have on people’s working lives? a. changes brought about by the acts prevented large farmers from taking lands from smaller farmers. b. small farmers could no longer work on common lands and had to move to cities for work. c. peasants started working on enclosed lands and soon became wealthy because of higher wages. d. landowners forced peasants to build roads and bridges as part of the new enclosure laws.