MagicPlot Manual

Plotting and nonlinear fitting software

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table [Mon Jan 11 20:33:32 2010]
Alexander
table [Mon Jan 18 17:35:24 2021]
Alexander
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-===== Table ===== +====== Table Editing ====== 
-In [[MagicPlot]] **Table** is used to store numeric data+In MagicPlot Tables are used to store numeric or text data depending on column type (numeric/text).
-All tables use floating-point numbers in [[wp>IEEE754|IEEE 754]] double precision format.+
  
-Empty cells are equivalent to [[NaN|Not-a-Number]] values.+==== Data Types ==== 
 +MagicPlot supports these data types in Tables:
  
-==== Table Context Menu ==== +^ Format  ^ Description 
-Many table editing functions are available in table context menu.+| Numeric  | 64-bit double precision floating-point numbers ([[wp>IEEE754|IEEE 754]]) 
 +| Text  | Unicode string with unlimited length 
 + 
 +  * Data type is set for entire columns. One column may not contain data with different types. 
 +  * Empty cells are equivalent to [[NaN|Not-a-Number]] values. 
 +  * Values from text columns are treated as empty cells if used as numbers. 
 + 
 +==== Changing Column Type ==== 
 +Use ''Set Column Type'' menu in column context menu to change column type (numeric/text).
  
 ==== Columns Numbers ==== ==== Columns Numbers ====
-Columns are enumerated by Latin letters and numbers after last letter: ''A, B, C, ... Y, Z, 27, 28, 29, ...''.+Columns are enumerated starting with 1. The first 26 columns are additionally denoted with Latin letters: ''A, B, C, ... Y, Z, 27, 28, 29, ...''. You can use either numbers or letters, addressing cells and columns in formulas.
  
-==== Moving Columns ==== +==== Renaming Columns ==== 
-Hold ''Ctrl'' key (on Windows and Linux onlyor ''Alt'' key (on Mac OS X) and drag column header to rearrange table columns. +Double click on column header to rename table column. You can also use ''Rename Column'' context menu item or press ''F4''
-If ''Ctrl''''Alt'' keys are not pressed, mouse dragging on header will select the columns.+ 
 +==== Moving (ReorderingColumns ==== 
 +Hold ''Alt'' key (''Option'' on Mac, ''Meta/Win'' on Unix-like) and drag column header to rearrange table columns. 
 +If ''Alt'' key is not pressed, mouse dragging on header will select the columns.
  
 ==== Editing Table ==== ==== Editing Table ====
-You can edit table cell by double click on it. You can either enter a number or an expression (e.g. writing ''pi'' in cell equals to ''3.1416...''writing ''1+2'' equals to ''3'')+You can edit table cell by double clicking on it. You can enter either a number or an expression using [[expressions]]. 
 + 
 +==== Fit Column Widths ==== 
 +To fit the width of one column, double click on right separator line in table headerTo fit several columns widthsselect multiple columns and double click on one of column separators in table header.
  
-See [[Formula]] section for expression syntax.+===== See Also ===== 
 +  * [[set_column_formula]] 
 +  * [[expressions]] 
 +  * [[sorting]] 
 +  * [[nan]]
table.txt · Last modified: Mon Jan 18 17:35:24 2021 by Alexander