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Flow properties

Flow properties

Note: Some of the information on this page is for stream files created in SPSS Modeler Desktop and doesn't apply to SPSS Modeler in Cloud Pak for Data.

You can control a variety of flow properties with scripting. To reference flow properties, you must set the execution method to use scripts:

stream = modeler.script.stream()
stream.setPropertyValue("execute_method", "Script")

Example

The node property is used to refer to the nodes in the current flow. The following flow script provides an example:

stream = modeler.script.stream()
annotation = stream.getPropertyValue("annotation")

annotation = annotation + "\n\nThis flow is called \"" + stream.getLabel() + "\" and
 contains the following nodes:\n"

for node in stream.iterator():
    annotation = annotation + "\n" + node.getTypeName() + " node called \"" + node.getLabel()
 + "\""

stream.setPropertyValue("annotation", annotation)

The previous example uses the node property to create a list of all nodes in the flow and write that list in the flow annotations. The annotation produced looks like this:

This flow is called "druglearn" and contains the following nodes:

type node called "Define Types"
derive node called "Na_to_K"
variablefile node called "DRUG1n"
neuralnetwork node called "Drug"
c50 node called "Drug"
filter node called "Discard Fields"

Flow properties are described in the following table.

Table 1. Flow properties
Property name Data type Property description
execute_method
Normal
Script
 
date_format

"DDMMYY"
"MMDDYY"
"YYMMDD"
"YYYYMMDD"
"YYYYDDD"
DAY
MONTH
"DD-MM-YY"
"DD-MM-YYYY"
"MM-DD-YY"
"MM-DD-YYYY"
"DD-MON-YY"
"DD-MON-YYYY"
"YYYY-MM-DD"
"DD.MM.YY"
"DD.MM.YYYY"
"MM.DD.YYYY"
"DD.MON.YY"
"DD.MON.YYYY"
"DD/MM/YY"
"DD/MM/YYYY"
"MM/DD/YY"
"MM/DD/YYYY"
"DD/MON/YY"
"DD/MON/YYYY"
MON YYYY
q Q YYYY
ww WK YYYY

 
date_baseline number  
date_2digit_baseline number  
time_format

"HHMMSS"
"HHMM"
"MMSS"
"HH:MM:SS"
"HH:MM"
"MM:SS"
"(H)H:(M)M:(S)S"
"(H)H:(M)M"
"(M)M:(S)S"
"HH.MM.SS"
"HH.MM"
"MM.SS"
"(H)H.(M)M.(S)S"
"(H)H.(M)M"
"(M)M.(S)S"

 
time_rollover flag  
import_datetime_as_string flag  
decimal_places number  
decimal_symbol
Default
Period
Comma
 
angles_in_radians flag  
use_max_set_size flag  
max_set_size number  
ruleset_evaluation
Voting
FirstHit
 
refresh_source_nodes flag Use to refresh import nodes automatically upon flow execution.
script string  
annotation string  
name string This property is read-only. If you want to change the name of a flow, you should save it with a different name.
parameters   Use this property to update flow parameters from within a stand-alone script.
nodes   See detailed information that follows.
encoding
SystemDefault
"UTF-8"
 
stream_rewriting boolean  
stream_rewriting_maximise_sql boolean  
stream_rewriting_optimise_clem_ execution boolean  
stream_rewriting_optimise_syntax_ execution boolean  
enable_parallelism boolean  
sql_generation boolean  
database_caching boolean  
sql_logging boolean  
sql_generation_logging boolean  
sql_log_native boolean  
sql_log_prettyprint boolean  
record_count_suppress_input boolean  
record_count_feedback_interval integer  
use_stream_auto_create_node_ settings boolean If true, then flow-specific settings are used, otherwise user preferences are used.
create_model_applier_for_new_ models boolean If true, when a model builder creates a new model, and it has no active update links, a new model applier is added.
create_model_applier_update_links
createEnabled

createDisabled

doNotCreate
Defines the type of link created when a model applier node is added automatically.
create_source_node_from_builders boolean If true, when a source builder creates a new source output, and it has no active update links, a new import node is added.
create_source_node_update_links
createEnabled

createDisabled

doNotCreate
Defines the type of link created when an import node is added automatically.
has_coordinate_system boolean If true, applies a coordinate system to the entire flow.
coordinate_system string The name of the selected projected coordinate system.
deployment_area
modelRefresh

Scoring

None
Choose how you want to deploy the flow. If this value is set to None, no other deployment entries are used.
scoring_terminal_node_id string Choose the scoring branch in the flow. It can be any terminal node in the flow.
scoring_node_id string Choose the nugget in the scoring branch.
model_build_node_id string Choose the modeling node in the flow.
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