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Unsupervised Machine Learning in R: K-Means

July 28, 2019
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Unsupervised Machine Learning in R: K-Means

K-Means clustering is unsupervised machine learning because there is not a target variable. Clustering can be used to create a target variable, or simply group data by certain characteristics. Here’s a great and simple way to use R to find clusters, visualize and then tie back to the data source to implement a marketing strategy. … Continue reading "Unsupervised...

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Easy R: Summary statistics grouping by a categorical variable

July 23, 2019
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Once I found this great R package that really improves on the dplyr summary() function it was a game changer. This library allows for the best summary statistics for each variable grouped by a categorical variable. It can also be saved as a list with an assignment. Simply use datatable$column that is the categorical variable … Continue reading "Easy...

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