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2.2.3.57 wreducecols

Menu Information

Reduce Columns

Brief Information

Reduce worksheet by merging or deleting columns

Additional Information

Minimum Origin Version Required: 9.1 SR0

Command Line Usage

wreducecols method:=merge ncols:=2 merge:=ave start:=3; //From the third column, every two columns merge their data points into the average of them.

wreducecols start:=2 end:=9 ow:=[<new>]<new>; //Specify the starting column and end column to delete, and output the result in a new book new sheet.

Variables

Display
Name
Variable
Name
I/O
and
Type
Default
Value
Description
Input Worksheet iw

Input

Worksheet

<active>
Specifies the input data range.
Reduce Method method

Input

int

0
Specifies the reduce method.

Option list:

  • 0: del (Delete N columns, then skip M columns)
Delete N columns, then skip M columns
  • 1: merge (Reduce N columns with merged values)
Merge every N data points into one data point with specified value.
Merge/Delete Columns ncols

Input

int

1
Specifies how many columns to merge or delete.
This option is only available when select Delete N columns, then skip M columns or Reduce N columns with merged values as Reduce Method.
Skip Columns skip

Input

int

1
Specifies how many columns to skip.
This option is only available when select Delete N columns, then skip M columns as Reduce Method.
Merge by merge

Input

int

0
Specifies the value to replace the merged data points.
This option is only available when select Reduce N columns with merged values as Reduce Method.

Option list:

  • first:First Point
Merges every N data points into the first data point of these data points.
  • last:Last Point
Merges every N data points into the last data point of these data points.
  • ave:Average
Merges every N data points into the average of these data points.
  • min:Min
Merges every N data points into the minimum value of these data points.
  • max:Max
Merges every N data points into the maximum value of these data points.
  • sum:Sum
Merges every N data points into the sum of these data points.
  • sd:SD
Merges every N data points into the standard derivation of these data points.
Starting Column to Merge/Delete start

Input

int

1
Specifies the starting column to merge/delete.
End Column to Merge/Delete end

Input

int

-1
Specifies the end column to merge/delete. Script accessible only.
Output ow

Output

Range

<input>
Specifies the output range. See the syntax here.

Description

This X-Function is used to delete columns or merge columns with specified statistics data.

Example

  1. Create a new workbook and import the Origin sample data Step01.dat which is located in <Origin Program Folder> \Samples\Curve Fitting.
  2. When the workbook is active, select menu item Worksheet: Reduce Columns to open wreducecols X-Function dialog. Set the options as below:
    Reduce Method: Delete N columns, then skip M columns
    Delete Columns: 1
    Skip Columns: 1
    Starting Columns to Delete: 4
    Output: <new>
  3. Click OK to delete the columns and the result will be output in a new sheet.

Related X-Functions

wreducerows, reducerows, wdelrows


Keywords:data reduction

 

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