Selecting and Deselecting Rows 

Task	Action
Select rows one at a time	Click on the row number.
Select multiple adjacent rows	Click and drag on the row numbers. or Select the beginning row, and then hold down the Shift key and click the last row number.
Select multiple non-adjacent rows	Select the first row, and then hold down the Ctrl key and click the other row numbers.
Deselect rows one at a time	Hold down the Ctrl key and click the row numbers.
Deselect all rows	Click in the lower-triangular space in the top left corner of the table. See Deselecting Rows.

Selecting and Deselecting Columns 

Task	Action
Select columns one at a time	Click the column heading.
Select multiple adjacent columns	Click and drag across the column headings. or Select the beginning column, and then hold down the Shift key and click the last header.
Select multiple non-adjacent columns	Select the first column, and then hold down the Ctrl key and click the other column headings.
Deselect columns one at a time	Hold down the Ctrl key and click the column heading.
Deselect all columns	Click in the upper-triangular space in the top left corner of the table. See Deselecting Columns.

Selecting and Deselecting Cells 

Task	Action
Select cells one at a time	Click each cell individually.
Select multiple adjacent cells	Click and drag across the cells. or Select the beginning cell, and then hold down the Shift key and click the last cell.
Select multiple non-adjacent cells	Select the first cell, and then hold down the Ctrl key and click the other cells.
Deselect all cells	Click in the upper and lower triangular spaces in the top left corner of the table.

Column Information 

Option	Description
Column Name	Enter or change the column name. No two columns can have the same column name.
Data Type	Select one of the following data types: • Numeric specifies the column values as numbers. • Character specifies the column values as non-numeric, such as letters or symbols. • Row State specifies the column values as row states. This is an advanced topic. See Using JMP.
Modeling Type	Modeling types define how values are used in analyses. Select one of the following modeling types: • Continuous values are numeric only. • Ordinal values are either numeric or character, and are ordered categories. • Nominal values are either numeric or character, but not ordered.
Format	Select a format for numeric values. This option is not available for character data. Here are a few of the most common formats: • Best lets JMP choose the best display format. • Fixed Dec specifies the number of decimal places that appear. • Date specifies the syntax for date values. • Time specifies the syntax for time values. • Currency specifies the type of currency and decimal points that are used for currency values.
Column Properties	Set special column properties such as formulas, notes, and value orders. See Using JMP.
Lock	Lock a column, so that the values in the column cannot be changed.