Документ взят из кэша поисковой машины. Адрес оригинального документа : http://xmm.vilspa.esa.es/sas/7.1.0/doc/dsreplacenulls.ps.gz Дата изменения: Mon Jul 9 07:29:01 2007 Дата индексирования: Tue Oct 2 12:26:13 2012 Кодировка: Поисковые слова: annular solar eclipse

XMM-Newton Science Analysis System Page: 1
dsreplacenulls
July 9, 2007
Abstract
Replace the null values in an object with a new value This task is part of the
daltools package
1 Instruments/Modes
Instrument Mode
2 Use
3 Description
Replace the null values in an object with a new value
Replaces all the null-valued elements in each of the given objects, with a new value.
4 Parameters
This section documents the parameters recognized by this task (if any).
Parameter Mand Type Default Constraints
objects yes StringList
List of fully qualied array and/or column names
value yes String
The new value with which to replace the null values
xmmsas 20070708 1801-7.1.0

XMM-Newton Science Analysis System Page: 2
5 Errors
This section documents warnings and errors generated by this task (if any). Note that warnings and
errors can also be generated in the SAS infrastructure libraries, in which case they would not be docu-
mented here. Refer to the index of all errors and warnings available in the HTML version of the SAS
documentation.
6 Input Files
1.
7 Output Files
1.
8 Algorithm
9 Comments

10 Future developments
References
xmmsas 20070708 1801-7.1.0