Difference between revisions of "Tabular Data Manager: Modify"

Revision as of 17:21, 25 May 2015

Modify

The modify tab includes several functions in the Table menu to work on your Tabular Resources (i.e group, add, delete, unify table etc...)

Tabular Data Manager, Modify tab

Rows Menu

Replace

Batch

Look at Replace Batch section.

By Expression

Look at Replace by Expression section.

By External

You can replace column content using a external tabular resource. In this example you populate the country column using as a reference the code column. Given the following table:

Tabular Data Manager, Replace By External

Now you indicate that you want to fill country column:

Tabular Data Manager, Replace By External

You choose a tabular resource from which you will take the data:

Tabular Data Manager, Replace By External

You indicate which columns to use as reference between the two tabular resources:

Tabular Data Manager, Replace By External

You choose the column from which we extract the data:

Tabular Data Manager, Replace By External

The result will be:

Tabular Data Manager, Replace By External

Delete

Selected

You can delete a row or multiple rows in your Tabular resource by fist selecting and then clicking on the button Delete row.

Duplicate

You can delete duplicates in one or more columns in your table by selecting the relative columns in the column list.

Tabular Data Manager, Selection of the columns for the Duplicate detection

After deleting the duplicate, the original tabular resource will appear without the row corresponding to the family duplicate:

Tabular Data Manager, Tabular resource without duplicate

By Expression

You can delete rows using expression.

Add

You can add a row to your Tabular resource by clicking on the button Add row.

Tabular Data Manager, Adding rows to your Tabular Resource

Filter

This function allows delete the columns that does not match with the criteria established by the user, so the tabular resource is modified.

Tabular Data Manager, Filter

Table Menu

Group by

In the Table menu, the Group by button allows to group the columns of your Tabular Resource accordingly to their average, counts, max, min etc...

Once selected the table to work on, the system asks to tick from the column list that one the grouping must replies on:

Tabular Data Manager, Selection of the column to apply the grouping criteria

then define the criteria, from the aggregation list, by selecting the method and the reference column:

Tabular Data Manager, Aggregation list criteria

Tabular Data Manager, Column aggregation by the selected criteria

The original table has been transformed into:

Tabular Data Manager, Result of the grouping by function

Time aggregation

The Time aggregation allows to order your data according to a time dimensional column. Before execute this function, you need to be sure that the column you want to aggregate is a time dimension type. You can modify your column by using the Column type function in the Structure menu of the Curation tab.

First select one or more columns you want to use to apply the function

Tabular Data Manager,Time aggregation for the time dimensional column

then define the criteria, from the aggregation list, by selecting the method and the reference column/s:

Tabular Data Manager, Period of time and aggregation criteria to apply on the column/s

Tabular Data Manager, Processed table results

Union

In the Table menu, the Union button allows to relate one or more columns of your tables resources in one file.

Here below, an example of the functionality of the Union button with one tabular resources.

Selection of the files:

Tabular Data Manager, Selection of the files

Selection of the column within the table resources to unify:

Tabular Data Manager, Columns selection

The original table has been transformed into:

Tabular Data Manager, Table resulting from the Union function

A final pop-up window will inform you about the success of the union procedure.

Note: The system will report a question mark for the fields that are not involved in the union.The same if,in the selected column, there are empty fields.

Geospatial Menu

Tabular Data Manager, Modify tab

C-Square

Allows the creation of C-Square coordinates:

Tabular Data Manager, C-Square

Result

Tabular Data Manager, C-Square Result

Downscale C-Square

Tabular Data Manager, Downscale C-Square

Result

Tabular Data Manager, Downscale C-Square Result

Ocean Area

Allows the creation of Fao Ocean Area coordinates:

Tabular Data Manager, Ocean Area

Result

Tabular Data Manager, Ocean Area Result

Geometry Menu

Tabular Data Manager, Modify tab

Points

Allows the creation of Points:

Tabular Data Manager, Points

Result

Tabular Data Manager, Points Result