CAS Actions FAQ

Find quick and accurate answers regarding usage, syntax, and common errors of CAS actions.

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Access the reference knowledge base for SAS Viya CAS actions. This technical FAQ covers syntax, parameters, and troubleshooting for common errors. Use the filters below to find code examples and optimized solutions for each specific action.

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specifies the descriptive label to associate with the table....
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specifies the number of seconds to keep the table in memory after it is last accessed. The table is dropped if it is not accessed for the specified number of seconds. Default: 0. Minimum value: 0...
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specifies the maximum amount of memory, in bytes, that each thread should allocate for in-memory blocks before converting to a memory-mapped file. Files are written in the directories that are specified in the CAS_DISK_CACHE environment variable. TIP: You can enclose the value in quotation marks and...
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specifies the memory format for the output table. Default: INHERIT...
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use the duplicate value reduction memory format. This memory format can reduce the memory consumption and file size when the input data contains duplicate values....
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use the default memory format that is set for the server. By default, the server uses the standard memory format. If an administrator sets the CAS_DEFAULT_MEMORY_FORMAT environment variable to DVR, then the DVR memory format is set as the default for the server....
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use the standard memory format....
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specifies the name for the output table....
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when set to True, adds the output table with a global scope. This enables other sessions to access the table, subject to access controls. The target caslib must also have a global scope. Default: FALSE...
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when set to True, overwrites an existing table that has the same name. Default: FALSE...
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specifies the number of copies of the table to make for fault tolerance. Larger values result in slower performance and use more memory, but provide high availability for data in the event of a node failure. Data redundancy applies to distributed servers only. Default: 1. Minimum value: 0...
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Specifies the Table Redistribution Policy when the number of worker pods increases on a running CAS server....
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Defer redistribution policy selection to higher-level entity....
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Do not redistribute table data when the number of worker pods changes on a running CAS server....
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Rebalance table data when the number of worker pods changes on a running CAS server....
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specifies the number of bytes to use for blocks in the output table. The blocks are read by threads. Gradually increase this value when you have a large table with millions or billions of rows and you are tuning for performance. Larger values can increase performance with indexed tables. However, if...
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specifies to add a timestamp column to the table. Support for timeStamp is action-specific. Specify the value in the form that is appropriate for your session locale....
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specifies the table the index is for. For more information about specifying the table parameter, see the common castable parameter....
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The 'installActionSet' action loads an action set in new sessions automatically. The actions from the action set become available to the current session and every session that starts thereafter.

Required Parameter:
- `actionSet="string"`: Specifies the name of the action set to load. For example: `...
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The chartsTable parameter specifies the charts summary output data table. For more information about specifying the chartsTable parameter, see the common casouttable (Form 1) parameter (Appendix A: Common Parameters)....
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The ciAlpha parameter specifies the confidence level that is used to compute capability index confidence limits. Default: 0.05. Minimum value (exclusive): 0....
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The ciIndices parameter, when set to True, computes capability index confidence limits that are based on subgroup summary data. Default: FALSE....
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The ciType parameter specifies the type of confidence limits that are computed for capability indices: lower, upper, or two-sided. Default: TWOSIDED. Options are:
- LOWER: requests lower confidence limits for capability indices.
- TWOSIDED: requests two-sided confidence limits for capability indices...
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The display parameter specifies a list of results tables to send to the client for display. For more information about specifying the display parameter, see the common displayTables parameter (Appendix A: Common Parameters)....
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The exChart parameter, when set to True, includes a control chart in the results only when exceptions occur. Default: FALSE....
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The groupByLimit parameter suppresses the analysis if the number of groups exceeds the specified value. Minimum value: 1....
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The limitsTable parameter specifies the control limits data table. For more information about specifying the limitsTable parameter, see the common castable (Form 1) parameter (Appendix A: Common Parameters)....
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The nMvgRange parameter specifies the number of consecutive subgroups that are used to calculate the moving range. Default: 2. Range: 2–25....
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The no3SigmaCheck parameter, when set to True, enables tests for special causes when the control limits are not three sigma limits. Default: FALSE....
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The outLimitsTable parameter specifies the output control limits data table. For more information about specifying the outLimitsTable parameter, see the common casouttable (Form 1) parameter (Appendix A: Common Parameters)....
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The outputTables parameter lists the names of results tables to save as CAS tables on the server. For more information about specifying the outputTables parameter, see the common outputTables parameter (Appendix A: Common Parameters). Alias: displayOut....
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The primaryTests parameter requests one or more tests for special causes for the primary control chart. The tests value can be one or more of the following:
- test1: When set to True, requests a test for one point beyond Zone A (outside the control limits). Default: FALSE.
- test2: When set to True,...
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The processName parameter specifies the variable in the input data table that contains the names of processes to be analyzed. Default: "processName"....
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The processValue parameter specifies the variable in the input data table that contains the process measurements to be analyzed. Default: "process"....
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The sigmas parameter specifies the width of the control limits as a multiple of the standard error of the subgroup summary statistic. Default: 3. Minimum value (exclusive): 0....
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The sMethod parameter specifies the method of estimating the process standard deviation. Default: MVGRANGE. Options are:
- MAD: requests a median absolute deviation estimate.
- MMR: requests a median moving range estimate.
- MVGRANGE: requests an estimate that is based on a moving range of subgroup ...
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The specsTable parameter specifies the specification limits data table and computes process capability indices. For more information about specifying the specsTable parameter, see the common castable (Form 1) parameter (Appendix A: Common Parameters)....
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The subgroupName parameter specifies the variable in the input data table that contains the names of subgroup variables. Default: "subgroupName"....
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The subgroupValue parameter specifies the variable in the input data table that contains the subgroup values. Default: "subgroup"....
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The table parameter specifies the settings for an input table. This is a required parameter. For more information about specifying the table parameter, see the common castable (Form 1) parameter (Appendix A: Common Parameters)....
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The test2Run parameter specifies the length of the pattern for Test 2. Default: 9....
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The test3Run parameter specifies the length of the pattern for Test 3. Default: 6....
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The testNStd parameter, when set to True, enables tests for special causes with varying subgroup sample sizes. Default: FALSE....
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The testOverlap parameter, when set to True, applies tests for special causes to overlapping patterns of points. Default: FALSE....
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The listQKBLocales action lists all available locales for a specified Quality Knowledge Base (QKB)....
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The required parameter is `qkb="string"`, where "string" is the name of the QKB for which you want to list the locales....
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You must use the `qkb` parameter to specify the name of the Quality Knowledge Base (QKB)....
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The listQKBLocales action lists all available locales within a specified Quality Knowledge Base (QKB)....
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The 'qkb' parameter specifies the name of the Quality Knowledge Base (QKB) from which to list the locales....
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The listQKBs action lists all available Quality Knowledge Bases (QKBs) on the CAS server....
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