The major assumption behind traditional parametric procedures--more fundamental than normality and homogeneity of variance--is the assumption that we have randomly sampled from some population ...

randomizr is a small package for r that simplifies the design and analysis of randomized experiments. In particular, it makes the random assignment procedure transparent, flexible, and most ...

ID3 (Examples, Target_Attribute, Attributes) Create a root node for the tree4. If all examples are positive, Return the single-node tree Root, with label = +.5. If all examples are negative, Return ...

Write an application that uses random-number generation to create sentences. Use four arrays of strings, called article, noun, verb, and preposition. As each word is picked, concatenate it to the ...

Exploiting the random assignment of Medicaid beneficiaries to managed care plans, we find substantial plan-specific spending effects despite plans having identical cost sharing. Enrollment in the ...