uate and tune your model online resources while studying this bookdefinitely refer to the scikit-learn website for more indepth documentation of the classes and functionsand many examples there is also video course created by andreas muller"advanced machine learning with scikitlearn,that supplements this book you can find it at advanced_machine_learning_scikit-learn conventions used in this book the following typographical conventions are used in this bookitalic indicates new termsurlsemail addressesfilenamesand file extensions constant width used for program listingsas well as within paragraphs to refer to program elements such as variable or function namesdatabasesdata typesenvironment variablesstatementsand keywords also used for commands and module and package names constant width bold shows commands or other text that should be typed literally by the user constant width italic shows text that should be replaced with user-supplied values or by values determined by context this element signifies tip or suggestion this element signifies general note preface ix