CUSTOMER Time Since Latest Change in State

SDK code to create CUSTOMER_Time_Since_Latest_Change_in_State¶

Feature description:

Time (in days) Since Latest Change in State for the customer.

In [ ]:

import featurebyte as fb
fb.use_profile("tutorial")

import featurebyte as fb fb.use_profile("tutorial")

Activate catalog¶

See SDK reference for catalogs

In [ ]:

catalog = fb.Catalog.activate("Grocery Dataset Tutorial")

catalog = fb.Catalog.activate("Grocery Dataset Tutorial")

Get view from table¶

See SDK reference for views

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# Get view from GROCERYCUSTOMER scd table.
grocerycustomer_view = catalog.get_view("GROCERYCUSTOMER")

# Get view from GROCERYCUSTOMER scd table. grocerycustomer_view = catalog.get_view("GROCERYCUSTOMER")

Create features on changes in GROCERYCUSTOMER State¶

In [ ]:

# Create change view from GROCERYCUSTOMER table to track changes in State.
grocerycustomer_state_change_view =\
catalog.get_table("GROCERYCUSTOMER").get_change_view(
    track_changes_column = "State"
)

# Create change view from GROCERYCUSTOMER table to track changes in State. grocerycustomer_state_change_view =\ catalog.get_table("GROCERYCUSTOMER").get_change_view( track_changes_column = "State" )

In [ ]:

# Filter view to remove change records that correspond to first setting of the field.
cond = grocerycustomer_state_change_view.past_State.isnull()
grocerycustomer_state_change_view =\
grocerycustomer_state_change_view[~cond]

# Filter view to remove change records that correspond to first setting of the field. cond = grocerycustomer_state_change_view.past_State.isnull() grocerycustomer_state_change_view =\ grocerycustomer_state_change_view[~cond]

In [ ]:

# Group grocerycustomer_state_change_view view by customer entity (GroceryCustomerGuid).
grocerycustomer_state_change_view_by_customer =\
grocerycustomer_state_change_view.groupby("GroceryCustomerGuid")

# Group grocerycustomer_state_change_view view by customer entity (GroceryCustomerGuid). grocerycustomer_state_change_view_by_customer =\ grocerycustomer_state_change_view.groupby("GroceryCustomerGuid")

In [ ]:

# Get Latest Change in State for the customer.
customer_latest_change_in_state =\
grocerycustomer_state_change_view_by_customer.aggregate_over(
    "new_ValidFrom", method="latest",
    feature_names=["customer_Latest_Change_in_State"],
    windows=[None]
)["customer_Latest_Change_in_State"]

# Get Latest Change in State for the customer. customer_latest_change_in_state =\ grocerycustomer_state_change_view_by_customer.aggregate_over( "new_ValidFrom", method="latest", feature_names=["customer_Latest_Change_in_State"], windows=[None] )["customer_Latest_Change_in_State"]

In [ ]:

# Compare customer_Latest_Change_in_State with point-in-time in days
customer_time_since_latest_change_in_state = (
    fb.RequestColumn.point_in_time()
    - customer_latest_change_in_state
).dt.day
# Give a name to new feature
customer_time_since_latest_change_in_state.name = \
"CUSTOMER_Time_Since_Latest_Change_in_State"

# Compare customer_Latest_Change_in_State with point-in-time in days customer_time_since_latest_change_in_state = ( fb.RequestColumn.point_in_time() - customer_latest_change_in_state ).dt.day # Give a name to new feature customer_time_since_latest_change_in_state.name = \ "CUSTOMER_Time_Since_Latest_Change_in_State"

Preview feature¶

Read on the feature primary entity concept

Read on the serving entity concept

See SDK reference for observation table

See SDK reference to preview feature

In [ ]:

#Check the primary entity of the feature'
customer_time_since_latest_change_in_state.primary_entity

#Check the primary entity of the feature' customer_time_since_latest_change_in_state.primary_entity

In [ ]:

#Get observation table: 'Preview Table with 10 items'
preview_table = catalog.get_observation_table(
	"Preview Table with 10 items"
)

#Get observation table: 'Preview Table with 10 items' preview_table = catalog.get_observation_table( "Preview Table with 10 items" )

In [ ]:

#Preview CUSTOMER_Time_Since_Latest_Change_in_State
customer_time_since_latest_change_in_state.preview(
	preview_table
)

#Preview CUSTOMER_Time_Since_Latest_Change_in_State customer_time_since_latest_change_in_state.preview( preview_table )

Save feature¶

See SDK reference to save feature

In [ ]:

# Save feature
customer_time_since_latest_change_in_state.save()

# Save feature customer_time_since_latest_change_in_state.save()

Add description and see feature definition file¶

See SDK reference for the definition file of a feature

In [ ]:

# Add description
customer_time_since_latest_change_in_state.update_description(
	"Time (in days) Since Latest Change in State for the customer."
)
# See feature definition file
customer_time_since_latest_change_in_state.definition

# Add description customer_time_since_latest_change_in_state.update_description( "Time (in days) Since Latest Change in State for the customer." ) # See feature definition file customer_time_since_latest_change_in_state.definition