Data-Collection StrategiesData Preprocessing StrategiesProgramming with RData Types in RData Structures in RPackage Installation in RReading and Writing Data in RUsing the FOR Loop in RUsing the WHILE Loop in RUsing the IF-ELSE Statement in RProgramming with PythonData Wrangling and Analytics in R and PythonStructuring and Cleaning DataMissing DataStrategies for Dealing with Missing DataData DeduplicationSummaryExerciseNotesReferences