ITEM Discount to INVOICE item Discount ratio

SDK code to create ITEM_Discount_to_INVOICE_item_Discount_ratio¶

Feature description:

Ratio of item Discount to the total sum of item Discount among all items with the same invoice as that item.

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

In [ ]:

# Get view from INVOICEITEMS item table.
invoiceitems_view = catalog.get_view("INVOICEITEMS")

# Get view from INVOICEITEMS item table. invoiceitems_view = catalog.get_view("INVOICEITEMS")

Create Lookup feature¶

See SDK reference for features

See SDK reference to declare a lookup feature

In [ ]:

# Create lookup feature from Discount column for item entity.
item_discount =\
invoiceitems_view["Discount"].as_feature("ITEM_Discount")

# Create lookup feature from Discount column for item entity. item_discount =\ invoiceitems_view["Discount"].as_feature("ITEM_Discount")

Do aggregation by invoice in INVOICEITEMS¶

See SDK reference for features

See SDK reference to groupby a view

See SDK reference to do aggregation by invoice

See list of aggregation operations

See SDK reference to add an aggregation by invoice to the event view

In [ ]:

# Group invoiceitems_view by invoice entity (GroceryInvoiceGuid).
invoiceitems_view_by_invoice =\
invoiceitems_view.groupby("GroceryInvoiceGuid")

# Group invoiceitems_view by invoice entity (GroceryInvoiceGuid). invoiceitems_view_by_invoice =\ invoiceitems_view.groupby("GroceryInvoiceGuid")

In [ ]:

# Sum Discount for the invoice.
invoice_sum_of_item_discount =\
invoiceitems_view_by_invoice.aggregate(
    "Discount", method=fb.AggFunc.SUM,
    feature_name="INVOICE_Sum_of_item_Discount"
)

# Sum Discount for the invoice. invoice_sum_of_item_discount =\ invoiceitems_view_by_invoice.aggregate( "Discount", method=fb.AggFunc.SUM, feature_name="INVOICE_Sum_of_item_Discount" )

Compare lookup with aggregation¶

See list of feature transforms

In [ ]:

# Get the Ratio of item Discount to the total sum of item Discount among all items with the same
# invoice as that item.
item_discount_to_invoice_item_discount_ratio = (
    item_discount
    / invoice_sum_of_item_discount
)
# Give a name to new feature
item_discount_to_invoice_item_discount_ratio.name = \
"ITEM_Discount_to_INVOICE_item_Discount_ratio"

# Get the Ratio of item Discount to the total sum of item Discount among all items with the same # invoice as that item. item_discount_to_invoice_item_discount_ratio = ( item_discount / invoice_sum_of_item_discount ) # Give a name to new feature item_discount_to_invoice_item_discount_ratio.name = \ "ITEM_Discount_to_INVOICE_item_Discount_ratio"

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'
item_discount_to_invoice_item_discount_ratio.primary_entity

#Check the primary entity of the feature' item_discount_to_invoice_item_discount_ratio.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 ITEM_Discount_to_INVOICE_item_Discount_ratio
item_discount_to_invoice_item_discount_ratio.preview(
	preview_table
)

#Preview ITEM_Discount_to_INVOICE_item_Discount_ratio item_discount_to_invoice_item_discount_ratio.preview( preview_table )

Save feature¶

See SDK reference to save feature

In [ ]:

# Save feature
item_discount_to_invoice_item_discount_ratio.save()

# Save feature item_discount_to_invoice_item_discount_ratio.save()

Add description and see feature definition file¶

See SDK reference for the definition file of a feature

In [ ]:

# Add description
item_discount_to_invoice_item_discount_ratio.update_description(
	"Ratio of item Discount to the total sum of item Discount among all "
	"items with the same invoice as that item."
)
# See feature definition file
item_discount_to_invoice_item_discount_ratio.definition

# Add description item_discount_to_invoice_item_discount_ratio.update_description( "Ratio of item Discount to the total sum of item Discount among all " "items with the same invoice as that item." ) # See feature definition file item_discount_to_invoice_item_discount_ratio.definition