Gri Commands
1: Introduction 2: Simple example 3: Fancy example 4: Running Gri 5: Programming Gri 6: General Issues 7: X-Y Plots 8: Contour Plots 9: Image Plots 10: Examples 11: Handling Data 12: Gri Commands 13: Gri Extras 14: Evolution of Gri 15: Installing Gri 16: Gri Bugs 17: System Tools 18: Acknowledgments 19: License 20: Newsgroup 21: Concept Index |
12.8: The `
|
`delete .variable.|\synonym [.variable.|\synonym [...]]' `delete columns [where missing]' `delete columns [randomly .fraction.]' `delete grid' `delete [x|y] scale' |
delete .variable.
'
Delete definition of variable `.variable.
', making it undefined.
Any number of variables or synonyms may be specified on one line.
delete \synonym
'
Delete definition of synonym `\synonym
', making it undefined. Any
number of variables or synonyms may be specified on one line.
delete columns
'
Delete column data.
delete columns where missing
'
Completely delete all column data for which any one of x, y, etc is missing.
delete columns randomly .fraction.
'
Randomly select fraction `.fraction.
' of the non-missing column
data, and designate them as being missing.
delete grid
'
Delete grid data.
delete scale
'
Delete scales for both x and y, so next `read columns
' will set it.
delete x scale
'
Delete scales for x, so next `read columns
' will set it.
delete y scale
'
Delete scales for y, so next `read columns
' will set it.