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 |
|
Programming DataLab 
