Gri Commands
|
12.8: The `
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`delete .variable.|\synonym [.variable.|\synonym [...]]' `delete columns [where missing]' `delete columns [randomly .fraction.]' `delete grid' `delete [x|y] scale' |
Delete some item or characteristic.
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.