COMPSCI C8 Chapter 8: Computational & Inferential Thinking: Randomness
Document Summary
Are differences between treatment and control groups due to the treatment, or the random assignment? np. random. choice(array_name[, number_of_items_to_return]) selects a specified number of items at random from an array. Have only two possible values: true or false. Strings can be compared, and their order is alphabetical. Shorter strings go before longer strings that begin with the shorter string. If it is false, the body is skipped. elif clause means else if", can be used many times else clause, optional. The call np. append(array_name, value) returns a new array that is array_name augmented with the additional value . probabilities : numbers between 0 and 1 that represent relative frequencies in this course. The more conditions there are to be satisfied, the less likely it is that all of them will be satisfied. Two main forms of sampling in this course: random sampling with replacement, the default mechanism of np. random. choice.