Extract & Count Unique Values in Each Column of Data Frame in R (Example) | lapply, rapply & length

Extract & Count Unique Values in Each Column of Data Frame in R (Example) | lapply, rapply & length

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Extract Single Column as Data Frame in R (3 Examples) | How to Keep data.frame Class | drop Argument
Extract Single Column as Data Frame in R (3 Examples) | How to Keep data.frame Class | drop Argument
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Extract Single Column as Data Frame in R (3 Examples) | How to Keep data.frame Class | drop Argument

Extract Single Column as Data Frame in R (3 Examples) | How to Keep data.frame Class | drop Argument
Apply Unique Function to Multiple Columns of Data Frame in R | Using unique & duplicated Functions

Apply Unique Function to Multiple Columns of Data Frame in R | Using unique & duplicated Functions
Size of Data Frame in R (4 Examples) | Dimension, Length, Number of Rows & Columns | dim() Function

Size of Data Frame in R (4 Examples) | Dimension, Length, Number of Rows & Columns | dim() Function
How to Count Occurrences of Value in Data Frame in R (2 Examples) | One Column or Entire Data Frame

How to Count Occurrences of Value in Data Frame in R (2 Examples) | One Column or Entire Data Frame
Count Non-NA Values in R (2 Examples) | Vector & Data Frame Columns / Rows | sum & is.na Functions

Count Non-NA Values in R (2 Examples) | Vector & Data Frame Columns / Rows | sum & is.na Functions
Count Non-Zero Values in Vector & Data Frame Columns in R (2 Examples) | sum() & colSums() Functions

Count Non-Zero Values in Vector & Data Frame Columns in R (2 Examples) | sum() & colSums() Functions
How to get the dimensions of a data frame in R (3 minutes)

How to get the dimensions of a data frame in R (3 minutes)
Extract Unique Values in R | Select Non-Duplicates | unique, duplicated & distinct [dplyr] Functions

Extract Unique Values in R | Select Non-Duplicates | unique, duplicated & distinct [dplyr] Functions
Calculate Min & Max by Group & Add as New Column in R (2 Examples) | Append Variable to Data Frame

Calculate Min & Max by Group & Add as New Column in R (2 Examples) | Append Variable to Data Frame
Count Non-NA Values by Group in R (2 Examples) | Base R & dplyr | group_by() & summarize() Functions

Count Non-NA Values by Group in R (2 Examples) | Base R & dplyr | group_by() & summarize() Functions
Learning R: 27 Counting Distinct Values per Column in DataFrame

Learning R: 27 Counting Distinct Values per Column in DataFrame
unique Function in R (2 Examples) | Remove Duplicate Data Frame Rows | Keep Distinct Vector Elements

unique Function in R (2 Examples) | Remove Duplicate Data Frame Rows | Keep Distinct Vector Elements
Extract Most Common Values from Vector in R (Example) | Get Frequency of Elements | table() & sort()

Extract Most Common Values from Vector in R (Example) | Get Frequency of Elements | table() & sort()
Find Unique Values in List in R (Example) | unlist() & unique() Functions | Identify Non-Duplicates

Find Unique Values in List in R (Example) | unlist() & unique() Functions | Identify Non-Duplicates
Count Unique Values by Group in R (3 Examples) | Distinct Numbers | dplyr & data.table Package

Count Unique Values by Group in R (3 Examples) | Distinct Numbers | dplyr & data.table Package
How to find unique column values in R dataframes (Data Analysis Basics in R #17)

How to find unique column values in R dataframes (Data Analysis Basics in R #17)
Get All Factor Levels of Vector & Data Frame Column in R (2 Examples) | factor(), levels(), sapply()

Get All Factor Levels of Vector & Data Frame Column in R (2 Examples) | factor(), levels(), sapply()
Extract Single Element from Data Frame in R | Access Specific Position | Row Index & Variable Name

Extract Single Element from Data Frame in R | Access Specific Position | Row Index & Variable Name