<html> <head> <title>Gri: `delete' command</title> </head> <body bgcolor="#FFFFFF" text="#000000" link="#0000EE" vlink="#551A8B" alink="FF0000"> <!-- newfile Delete.html "Gri: `delete' command" "Gri Commands" --> <!-- @node Delete, Differentiate, Debug, List Of Gri Commands --> <a name="Delete" ></a> <img src="./resources/top_banner.gif" usemap="#navigate_top" border="0"> <table summary="top banner" border="0" cellspacing="0" cellpadding="0"> <tr> <td width="150" valign="top"> <font size=-1> <br> Chapters: </br> <a href="Introduction.html">1: Introduction</a><br> <a href="SimpleExample.html">2: Simple example</a><br> <a href="InvokingGri.html">3: Invocation</a><br> <a href="GettingMoreControl.html">4: Finer Control</a><br> <a href="X-Y.html">5: X-Y Plots</a><br> <a href="ContourPlots.html">6: Contour Plots</a><br> <a href="Images.html">7: Image Plots</a><br> <a href="Examples.html">8: Examples</a><br> <a href="Commands.html">9: Gri Commands</a><br> <a href="Programming.html">10: Programming</a><br> <a href="Environment.html">11: Environment</a><br> <a href="Emacs.html">12: Emacs Mode</a><br> <a href="History.html">13: History</a><br> <a href="Installation.html">14: Installation</a><br> <a href="Bugs.html">15: Gri Bugs</a><br> <a href="TestSuite.html">16: Test Suite</a><br> <a href="Acknowledgments.html">17: Acknowledgments</a><br> <a href="License.html">18: License</a><br> <br> Indices:</br> <a href="ConceptIndex.html"><i>Concepts</i></a><br> <a href="CommandIndex.html"><i>Commands</i></a><br> <a href="BuiltinIndex.html"><i>Variables</i></a><br> </font> <td width="500" valign="top"> <map name="navigate_top"> <area alt="index.html#Top" shape="rect" coords="5,2,218,24" href="index.html#Top"> <area alt="ListOfGriCommands.html#ListOfGriCommands" shape="rect" coords="516,2,532,24" href="ListOfGriCommands.html#ListOfGriCommands"> <area alt="Gri: `debug' command" shape="rect" coords="557,2,573,24" href="Debug.html"> <area alt="Gri: `differentiate' command" shape="rect" coords="581,2,599,24" href="Differentiate.html"> </map> <map name="navigate_bottom"> <area alt="index.html#Top" shape="rect" coords="5,2,218,24" href="index.html#Top"> <area alt="Gri: `differentiate' command" shape="rect" coords="581,2,599,24" href="Differentiate.html"></map> <h3>9.3.7: `<font color="#82140F"><code>delete</code></font>'</h3> <!-- latex: \index{delete} --> <TABLE SUMMARY="Example" BORDER="0" BGCOLOR="#efefef" WIDTH="100%"> <TR> <TD> <PRE> <font color="#82140F"> `delete .variable.|\synonym [.variable.|\synonym [...]]' `delete columns [where missing]' `delete columns [randomly .fraction.]' `delete grid' `delete [x|y] scale' </font></PRE> </TD> </TR> </TABLE> <p> Delete some item or characteristic. <p> <ul> <li> `<font color="#82140F"><code>delete .variable.</code></font>' Delete definition of variable `<font color="#82140F"><code>.variable.</code></font>', making it undefined. Any number of variables or synonyms may be specified on one line. <li> `<font color="#82140F"><code>delete \synonym</code></font>' Delete definition of synonym `<font color="#82140F"><code>\synonym</code></font>', making it undefined. Any number of variables or synonyms may be specified on one line. <li> `<font color="#82140F"><code>delete \@alias</code></font>' Delete the item named by the alias (see <a href="Synonyms.html#AliasSynonyms">Alias Synonyms</a>). <li> `<font color="#82140F"><code>delete</code></font>' with an `<font color="#82140F"><code>&</code></font>' item Delete the item in the calling program. <li> `<font color="#82140F"><code>delete columns</code></font>' Delete column data. <li> `<font color="#82140F"><code>delete columns where missing</code></font>' Completely delete all column data for which any one of x, y, etc is missing. <li> `<font color="#82140F"><code>delete columns randomly .fraction.</code></font>' Randomly select fraction `<font color="#82140F"><code>.fraction.</code></font>' of the non-missing column data, and designate them as being missing. <li> `<font color="#82140F"><code>delete grid</code></font>' Delete grid data. <li> `<font color="#82140F"><code>delete scale</code></font>' Delete scales for both x and y, so next `<font color="#82140F"><code>read columns</code></font>' will set it. <li> `<font color="#82140F"><code>delete x scale</code></font>' Delete scales for x, so next `<font color="#82140F"><code>read columns</code></font>' will set it. <li> `<font color="#82140F"><code>delete y scale</code></font>' Delete scales for y, so next `<font color="#82140F"><code>read columns</code></font>' will set it. </ul> <p> </table> <img src="./resources/bottom_banner.gif" usemap="#navigate_bottom" border="0"> </body> </html>