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A collection of functions and step-by-step examples for marketing analytics

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Marketing Analytics methods for R

The code in this repository explores common marketing analytics applications for using R, the statistical language. Each file is a summary of notes taken from "R for Marketing Research and Analytics", (Chapman, Christopher N. and McDonnell Feit, Elea).

The contents of each file are as follows:

  • Data Vis Methods.R: A look at creating histograms and boxplots from the Base R package.
  • Data Exploration Methods.R: Generating random data using rep(), rbinom(), sample() and rpois() (lines 1-56). Summarising data tables using table(), simple plots and finally creating a function "firstAnalysis()" to summarise data attributes.
  • Reducing Data Complexity.R: A brief look at simplifying ordinal brand ratings. Data is rescaled, aggregated and then visualised with heatmaps.
  • comparingGroups.R: Random data generation from (lines 1-105). After this, an example of comparing consumer segments data using aggregate(), table(), then visualisation to compare segment attributes with barcharts and boxplots.
  • continuousVariableMethods.R: An example to explore visualisation to compare continuous variables using generated retailer data (lines 1-44). Visualisations include basic plots, hist(), gpairs. Finally, we look at common data transformations prior to modelling (lines 194-210).
  • groupsStatisticalTests.R: Explores a number of functions in base-R to compare group characteristics. Includes chisq.test(), binom.test(), binom.confint() and t.test(). Finally, an explaration of ANOVA within R.
  • linearDriverModels.R: A look at creating models with lm(), comparing models and selecting the most efficient model. Contains a lot of commented text to accommodate output included from the R console.
  • linearModelSummary.R: A summary of the linearDriverModels.R file.
  • standardPackages.R: A list of packages frequently used during the analysis.
  • statsChecker.R: A single file containing the firstAnalysis() function which was created in "Data Exploration Methods.R", above.

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