Effective Tabular data (data frame) manipulation in R

سرفصل های دوره

Effective Data Wrangling and Exploration with R - Part III (tibble, dplyr, tidyr, data.table, SQL)

1. Course Introduction and exercise files

1.1 Data Manipulation with R.rar

1. Exercise files

2. Introduction to data frames

1. 1.1 Introduction to data frames - Objectives

2. 1.2 What is a data frame and data frame creation

3. 1.3 Data frame attributes and structure

4. 1.4 Subsetting data frames - selecting columns

5. 1.5 Subsetting data frames - filtering rows

6. 1.6 Subsetting data frames - selecting columns and filtering rows

7. 1.7 Data frame transformations - Modifying columns and rows

8. 1.8 Data frame transformations - Sorting and ranking

9. 1.9 Data frame transformations - Deleting columns and rows

10. 1.10 Data frame transformations - Missing data

11. 1.11 Joining and merging data frames

12. 1.12 R's Datasets

3. Data frame manipulation with base R

1. 2.1 Data frame manipulation with base R - Objectives

2. 2.2 Inserting and deriving new columns

3. 2.3 Sorting and Ranking

4. 2.4 Splitting and merging columns

5. 2.5 Adding and Updating rows

6. 2.6 Randomly selecting rows and deleting rows

7. 2.7 Performing SQL Like joins

8. 2.8 Aggregating and grouping data

9. 2.9 Pivoting data

10. 2.10 Unpivoting data

4. An Introduction to tibbles

1. 3.1 An Introduction to tibbles - Objectives

2. 3.2 What is a tibble

3. 3.3 Creating a tibble

4. 3.4 Converting to a tibble

5. 3.5 Manipulating row names

5. Data frame manipulation with dplyr and tidyr

1. 4.1 Data frame manipulation with dplyr and tidyr - Objectives

2. 4.2 What is dplyr

3. 4.3 Renaming columns and rows

4. 4.4 Selecting columns

5. 4.5 filtering rows

6. 4.6 Slicing and Top values

7. 4.7 The pipe operator

8. 4.8 Inserting and updating columns

9. 4.9 Sorting and ranking

10. 4.10 Splitting and merging columns

11. 4.11 Rearranging columns

12. 4.12 Manipulating rows

13. 4.13 Combining data frames - I

14. 4.13 Combining data frames - II SQL-like joins

15. 4.14 Aggregating and grouping data

16. 4.15 Pivoting and unpivoting data

6. Data frame manipulation with data.table

1. 5.1 Data frame manipulation with data.table - Objectives

2. 5.2 Creating and converting to a data.table

3. 5.3 Renaming columns and rows

4. 5.4 Selecting columns

5. 5.5 Filtering rows

6. 5.6 Inserting columns by reference

7. 5.7 Sorting and ranking

8. 5.8 Splitting and merging columns

9. 5.9 Deleting columns

10. 5.10 Manipulating columns

11. 5.11 Combining data frames

12. 5.12 SQL-like joins

13. 5.13 Aggregating and grouping data

14. 5.14 Pivoting and unpivoting data

7. Data frame manipulation with SQL in R

1. 6.1 Data frame manipulation with SQL in R - Objectives

2. 6.2 What is SQL

3. 6.3 Selecting columns

4. 6.4 Filtering rows

5. 6.5 Filtering missing and non missing values

6. 6.6 Deriving new columns

7. 6.7 Sorting and ranking

8. 6.8 Splitting and merging columns

9. 6.9 Set operations

10. 6.10 SQL Joins

11. 6.11 Aggregating and grouping data

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تولید کننده: Udemy-Training