but stillthis would mean that we could classify roughly four out of the ten wrong answers at least we are heading in the right direction more features lead to higher accuracywhich leads us to adding more features thereforelet us extend the feature space with even more featuresavgsentlenthis feature measures the average number of words in avgwordlenthis feature is similar to avgsentlenit measures the average numallcapsthis feature measures the number of words that are written in numexclamsthis feature measures the number of exclamation marks sentence maybe there is pattern that particularly good posts don' overload the reader' brain with very long sentences number of characters in the words of post uppercasewhich is considered bad style the following charts show the value distributions for average sentences and word lengths as well as the number of uppercase words and exclamation marks