Easy Archives - Datanovia https://www.datanovia.com/en/lesson-complexity/easy/ Data Mining and Statistics for Decision Support Tue, 03 Dec 2019 10:54:36 +0000 en-US hourly 1 https://wordpress.org/?v=6.8.5 Compute Summary Statistics in R https://www.datanovia.com/en/lessons/compute-summary-statistics-in-r/ https://www.datanovia.com/en/lessons/compute-summary-statistics-in-r/#comments Mon, 01 Oct 2018 21:47:16 +0000 https://www.datanovia.com/en/?post_type=dt_lessons&p=7239 This tutorial introduces how to easily compute statistcal summaries in R using the dplyr package. You will learn, how to compute summary statistics for ungrouped data, as well as, for data that are grouped by one or multiple variables.

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]]> https://www.datanovia.com/en/lessons/compute-summary-statistics-in-r/feed/ 3 Rename Data Frame Columns in R https://www.datanovia.com/en/lessons/rename-data-frame-columns-in-r/ https://www.datanovia.com/en/lessons/rename-data-frame-columns-in-r/#comments Mon, 01 Oct 2018 21:40:12 +0000 https://www.datanovia.com/en/?post_type=dt_lessons&p=7237 You will learn how to rename a data frame columns in R.

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]]> https://www.datanovia.com/en/lessons/rename-data-frame-columns-in-r/feed/ 17 Reorder Data Frame Rows in R https://www.datanovia.com/en/lessons/reorder-data-frame-rows-in-r/ https://www.datanovia.com/en/lessons/reorder-data-frame-rows-in-r/#respond Mon, 01 Oct 2018 21:34:27 +0000 https://www.datanovia.com/en/?post_type=dt_lessons&p=7236 This tutorial describes how to reorder rows, in your data table, by the value of one or more variables. You will learn how to easily sort a data frame rows in ascending and descending orders.

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]]> https://www.datanovia.com/en/lessons/reorder-data-frame-rows-in-r/feed/ 0 Identify and Remove Duplicate Data in R https://www.datanovia.com/en/lessons/identify-and-remove-duplicate-data-in-r/ https://www.datanovia.com/en/lessons/identify-and-remove-duplicate-data-in-r/#comments Mon, 01 Oct 2018 21:24:11 +0000 https://www.datanovia.com/en/?post_type=dt_lessons&p=7235 You will learn how to identify and to remove duplicate data using R base and dplyr functions.

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]]> https://www.datanovia.com/en/lessons/identify-and-remove-duplicate-data-in-r/feed/ 20 Subset Data Frame Rows in R https://www.datanovia.com/en/lessons/subset-data-frame-rows-in-r/ https://www.datanovia.com/en/lessons/subset-data-frame-rows-in-r/#comments Mon, 01 Oct 2018 21:10:41 +0000 https://www.datanovia.com/en/?post_type=dt_lessons&p=7233 This tutorial describes how to subset or extract data frame rows based on certain criteria. Additionally, we'll describe how to subset a random number or fraction of rows. You will also learn how to remove rows with missing values in a given column.

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]]> https://www.datanovia.com/en/lessons/subset-data-frame-rows-in-r/feed/ 16 Select Data Frame Columns in R https://www.datanovia.com/en/lessons/select-data-frame-columns-in-r/ https://www.datanovia.com/en/lessons/select-data-frame-columns-in-r/#comments Mon, 01 Oct 2018 20:51:04 +0000 https://www.datanovia.com/en/?post_type=dt_lessons&p=7232 You will learn how to select data frame columns by names and position. We’ll also show how to remove columns from a data frame.

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