Datasets in R: Joining & Visualizing Data

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“Data for the same entity is often stored in multiple locations. Your analysis may require bringing this data together in a single location. Doing this forms a core part of data preprocessing. Another core task is recognizing the relationships in your data.

In this course you ll practice methods to merge data to prepare for statistical and predictive modeling and identify relationships in your data using charts and graphs.

You ll combine data in different data frames (or tibbles) based on the values in common columns. You ll use the merge() function to perform join operations and implement joins using functions from the tidyverse.

You ll also examine the plotting systems avAIlable in R and use the plot() functionality and the ggplot2 package to visualize and explore your data.

Upon completion of this course you ll be able to combine your data in a meaningful way and uncover data relationships.”