TutorialKart ❯ R Tutorial ❯ R Date and Time R Date Time ❮ Previous Next ❯ R Date and Time R – Summary of Data Frame Next ❯ R Tutorials R Tutorial R Script File R Working Directory R Data Types R Variables R Operators R Decision Making R if statement R if-else statement R if-else-if statement R switch statement R Loops R repeat loop R while loop R for loop R break statement R Functions R Strings R – Concatenate strings R – String length R – Substring R – Convert string to uppercase R – Convert string to lowercase R Vectors Create Vectors R – Create Vector R – Logical Vectors R – Integer Vectors R – Double Vectors R – Character Vectors Access Vectors R – Vector length R – Access items in Vector R – Iterate over items of Vector R – Delete items at specific indices from Vector Sorting R – Sort Vector Vector Operations R – Vector Arithmetic Operations R – Get Type of Vector R – Reverse Vector R – Vector Recycling Vector Checks R – Check if specific item is present in Vector R – Check if type of Vector is Logical R – Check if type of Vector is Integer R – Check if type of Vector is Double R – Check if type of Vector is Character Conversions R – Convert Logical Vector into Integer Vector R – Convert Character Vector into Integer Vector R Lists List Basics R – Create empty List R – Create empty List of specific length R – Create List R – Name elements of List R – Access elements of List R – List length R – Append item to List R – Loop through items in List List Transformations R – Reverse List List Checks R – Check if List is empty R – Check if specific item is present in List One or More Lists R – Join Lists List Conversions R – Convert List to Vector R – Convert List to Data Frame R Matrix R – Create Matrix R – Check if R object is a Matrix R – Get element at given row, column of Matrix R – Get specific row of Matrix R – Get specific column of Matrix R – Get multiple rows of Matrix R – Get multiple columns of Matrix R – Matrix multiplication R – Transpose Matrix R – Inverse Matrix R – Correlation Matrix R Data Frame Create Data Frame R – Create empty Data Frame R – Create Data Frame Read Elements / Rows / Columns R – Access element at (i,j) in Data Frame Rows / Columns R – Get number of rows in Data Frame R – Get number of columns in Data Frame R – Add row to Data Frame R – Add column to Data Frame R – Remove row(s) in Data Frame R – Delete duplicate rows in Data Frame R – Remove NA Rows in Data Frame R – Delete column(s) in Data Frame Modify R – Reset row numbers of Data Frame R – Replace NA with 0 in Data Frame R – Rename column(s) of Data Frame Sorting R – Sort Data Frame by column Filtering R – Filter Data Frame with NA rows Conversions R – Convert List to Data Frame R – Convert Data Frame to Matrix R – Convert Matrix to Data Frame Transformations R – Apply function for each row in Data Frame Two or More Data Frames R – Combine Data Frames R – Compare Data Frames Import / Export R – Import Excel to Data Frame Others R – Structure of Data Frame R – Summary of Data Frame R Date and Time ADVERTISEMENT