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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 `
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`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.
