Thursday 26 March 2020

TableSaw tutorial

      Introduction to TableSaw
      Working with Columns
      Perform Arithmetic operations on a column
      Selections: Filter the information
      where: filter the elements that matches given criteria
      Selection.with : Select specific rows
      Selection.selectNRowsAtRandom : Select n random rows
      Selection.withRange: Select rows in given range
      Selection.withoutRange: Select elements that are not in given range
      Perform Arithmetic Operations between columns
      min: Find minimum value in a column
      max: Find maximum value in a column
      count: Count number of elements that satisfy given predicate
      countUnique: Count unique elements in a column
      Standard Deviation of a column
      Table
      Create table from csv file
      Get structure or metadata of a table
      Get the shape of a table
      Get number of rows and columns in a table
      Get first n rows of a table
      Get last n rows of a table
      Print all the rows in console
      Print total table in minimized way
      Get all the columns of a table
      Remove specific columns from a table
      Retain specific columns of a table
      Remove columns with missing values
      Add columns to a table
      Column names are case insensitive
      Table: Get column by name
      Table: Get column by index
      Table: Get columns of desired type
      Get all the columns of specific type
      dropRowsWithMissingValues: Drop rows with missing values
      Drop rows that satisfy the condition
      Print table row wise
      Select n random rows from a table
      Add rows from other table
      Print table contents using for-each loop
      Sort the elements of a table
      Sort elements of table in both ascending and descending order
      Filtering the elements of a table
      Combining filters into complex queries
      Select specific column from a table
      Selecting columns in a query statement
      Get summary of table
      Selecting columns in a query statement

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