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How to write a script to use a specific row for plot bar chart?

vistacc

Hi all!

I want to plot a bar chart using a specific row in the data table. The format of the table is as following:

I am not sure what is the best way to do it.

My thought is to select the row, save it to a new data table, transpose the new table and then use the two columns in the new data table to plot the bar. The script for this method is a little bit long so I would like to know whether there is a more simple way for it.

Any help will be greatly appreciated!

Accepted answers

txnelson

The "values( dt[0, 5] )" refers to the values to be placed into the data table. The "dt[0,5]" referred to the 5th row in the data table. It actually was an error in my code, it should have been, "values( dt[5, 0] )". The "0" refers to all columns in the data table. I have changed my code below to meet the new requirement.

Names Default To Here( 1 );
dt = Open( "$SAMPLE_DATA/blood pressure.jmp" );
dt << delete columns( 1, 2 );

rowNum = 5;

colNames = dt << get column names(string);


dt2 = New Table( "example",
	New Column( "Label", character, values( colNames ) ),
	New Column( "Row " || char( rowNum ), values( dt[rowNum, 0 ] ) ) );

All comments

txnelson

Here is a simple example of one way to do what you want

Names Default To Here( 1 );
dt = Open( "$SAMPLE_DATA/blood pressure.jmp" );
dt << delete columns( 1, 2 );


dt2 = New Table( "example", New Column( "transpose", values( dt[0, 5] ) ) );

vistacc

Thank you for your reply, Jim!
I don't get what "values( dt[0, 5] )" means here though. How can I just select the row that I want for the plot? For example, in my case, I only want to select row 132 as numeric values in y-axis for the plot and the names of the columns as the categorical names in the x-axis. Expected plot is as the following:

txnelson

Names Default To Here( 1 );
dt = Open( "$SAMPLE_DATA/blood pressure.jmp" );
dt << delete columns( 1, 2 );

rowNum = 5;

colNames = dt << get column names(string);


dt2 = New Table( "example",
	New Column( "Label", character, values( colNames ) ),
	New Column( "Row " || char( rowNum ), values( dt[rowNum, 0 ] ) ) );