Public Constants (DataTable)
Cell states:
The following constants define predefined states of the cells of a TDataTable object. There are 2 user defined flags (csUser1 and csUser2) which can be used for application specific purposes.
Constant 
Value 
Explanation 
csNone 
$00 
cell state: none  redundant with csReset 
csNAN 
$01 
cell state: not a number; specifies a cell if it contains an invalid number (e.g. infinity, or numbers beyond the numeric range of double precision values) 
csUndefined 
$02 
undefined or empty cell 
csReadOnly 
$10 
cell is readonly (cannot be edited by the user) 
csImputed 
$20 
cell contains imputed data 
csMarkedA 
$40 
cell is marked as type A 
csMarkedB 
$80 
cell is marked as type B 
Various Constants:
Constant 
Value 
Explanation 
MaxNameDTWidth 
50 
max. length of a row or column name 
MaxNominalIDs 
150 
max. number of supported nominal IDs per variable (see ElemNominal) 
MaxNomIDLength 
10 
max. length of a nominal identifier 
MScaleTypeNames 
'Unknown', 'Nominal', 'Ordinal', 'Interval', 'Ratio' 
constant array containing the names of the available measurement scales 
