generalized test

This commit is contained in:
Joaquin Ossa 2024-11-26 09:27:13 +01:00
parent aaf512a288
commit bede588062
5 changed files with 66 additions and 92 deletions

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@ -0,0 +1,33 @@
{% test kpis_outlier_detector(
model, column_name, sigma_threshold=3, days_to_consider=14
) %}
with
-- Retrieve recent data based on the defined days_to_consider
recent_data as (
select *
from {{ model }}
where
date_day between (
current_date - interval '{{ days_to_consider + 1 }} days'
) and (current_date - interval '1 day')
),
metrics_stats as (
select
avg({{ column_name }}) as avg_value,
stddev({{ column_name }}) as stddev_value
from recent_data
),
outliers as (
select
{{ column_name }} as value,
abs({{ column_name }} - metrics_stats.avg_value)
> (metrics_stats.stddev_value * {{ sigma_threshold }}) as is_outlier
from {{ model }}
cross join metrics_stats
where date_day = current_date - interval '1 day'
)
-- Return failing rows if any values are flagged as outliers
select *
from outliers
where is_outlier = true
{% endtest %}

View file

@ -18,7 +18,7 @@ with
sum(gj.created_guest_journeys) as created_guest_journeys,
sum(gj.started_guest_journeys) as started_guest_journeys,
sum(gj.completed_guest_journeys) as completed_guest_journeys,
sum(gj.count_csat_score) as total_csat_score_count,
sum(gj.count_csat_score) as count_csat_score,
case
when sum(gj.count_csat_score) > 0
then
@ -53,7 +53,7 @@ with
gj.created_guest_journeys,
gj.started_guest_journeys,
gj.completed_guest_journeys,
gj.total_csat_score_count,
gj.count_csat_score,
gj.average_csat_score,
gp.deposit_fees_in_gbp,
gp.waiver_payments_in_gbp,
@ -93,12 +93,10 @@ select
sum(gk.created_guest_journeys) as created_guest_journeys,
sum(gk.started_guest_journeys) as started_guest_journeys,
sum(gk.completed_guest_journeys) as completed_guest_journeys,
sum(gk.total_csat_score_count) as total_csat_score_count,
sum(gk.count_csat_score) as count_csat_score,
case
when sum(gk.total_csat_score_count) > 0
then
sum(gk.average_csat_score * gk.total_csat_score_count)
/ sum(gk.total_csat_score_count)
when sum(gk.count_csat_score) > 0
then sum(gk.average_csat_score * gk.count_csat_score) / sum(gk.count_csat_score)
else null
end as average_csat_score,
sum(gk.deposit_fees_in_gbp) as deposit_fees_in_gbp,
@ -117,12 +115,12 @@ select
sum(gk_py.created_guest_journeys) as py_created_guest_journeys,
sum(gk_py.started_guest_journeys) as py_started_guest_journeys,
sum(gk_py.completed_guest_journeys) as py_completed_guest_journeys,
sum(gk_py.total_csat_score_count) as py_total_csat_score_count,
sum(gk_py.count_csat_score) as py_count_csat_score,
case
when sum(gk_py.total_csat_score_count) > 0
when sum(gk_py.count_csat_score) > 0
then
sum(gk_py.average_csat_score * gk_py.total_csat_score_count)
/ sum(gk_py.total_csat_score_count)
sum(gk_py.average_csat_score * gk_py.count_csat_score)
/ sum(gk_py.count_csat_score)
else null
end as py_average_csat_score,
sum(gk_py.deposit_fees_in_gbp) as py_deposit_fees_in_gbp,

View file

@ -15,7 +15,7 @@ select
created_guest_journeys as created_guest_journeys,
started_guest_journeys as started_guest_journeys,
completed_guest_journeys as completed_guest_journeys,
total_csat_score_count as total_csat_score_count,
count_csat_score as count_csat_score,
average_csat_score as average_csat_score,
deposit_fees_in_gbp as deposit_fees_in_gbp,
waiver_payments_in_gbp as waiver_payments_in_gbp,
@ -28,7 +28,7 @@ select
py_created_guest_journeys as py_created_guest_journeys,
py_started_guest_journeys as py_started_guest_journeys,
py_completed_guest_journeys as py_completed_guest_journeys,
py_total_csat_score_count as py_total_csat_score_count,
py_count_csat_score as py_count_csat_score,
py_average_csat_score as py_average_csat_score,
py_deposit_fees_in_gbp as py_deposit_fees_in_gbp,
py_waiver_payments_in_gbp as py_waiver_payments_in_gbp,

View file

@ -66,42 +66,56 @@ models:
description: |
Count of daily guest journeys created, excluding cancelled bookings,
in a given date and per specified dimension.
tests:
- kpis_outlier_detector
- name: started_guest_journeys_not_cancelled
data_type: bigint
description: |
Count of daily guest journeys started, excluding cancelled bookings,
in a given date and per specified dimension.
tests:
- kpis_outlier_detector
- name: completed_guest_journeys_not_cancelled
data_type: bigint
description: |
Count of daily guest journeys completed, excluding cancelled bookings,
in a given date and per specified dimension.
tests:
- kpis_outlier_detector
- name: created_guest_journeys
data_type: bigint
description: |
Count of daily guest journeys created in a given date and
per specified dimension.
tests:
- kpis_outlier_detector
- name: started_guest_journeys
data_type: bigint
description: |
Count of daily guest journeys started in a given date and
per specified dimension.
tests:
- kpis_outlier_detector
- name: completed_guest_journeys
data_type: bigint
description: |
Count of daily guest journeys completed in a given date and
per specified dimension.
tests:
- kpis_outlier_detector
- name: count_csat_score
data_type: bigint
description: |
Count of daily guest journeys with CSAT (customer satisfaction score)
in a given date and per specified dimension.
tests:
- kpis_outlier_detector
- name: average_csat_score
data_type: bigint
@ -113,24 +127,32 @@ models:
description: |
Sum of deposit fees paid by guests, without taxes, in GBP
in a given date and per specified dimension.
tests:
- kpis_outlier_detector
- name: waiver_payments_in_gbp
data_type: decimal
description: |
Sum of waiver payments paid by guests, without taxes, in GBP
in a given date and per specified dimension.
tests:
- kpis_outlier_detector
- name: checkin_cover_fees_in_gbp
data_type: decimal
description: |
Sum of checkin cover fees paid by guests, without taxes, in GBP
in a given date and per specified dimension.
tests:
- kpis_outlier_detector
- name: total_guest_payments_in_gbp
data_type: decimal
description: |
Sum of total payments paid by guests, without taxes, in GBP
in a given date and per specified dimension.
tests:
- kpis_outlier_detector
- name: py_created_guest_journeys_not_cancelled
data_type: bigint

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@ -1,79 +0,0 @@
/*
This is a test to detect outlier in Guest KPI metrics.
It uses the standard deviation of the values in a
set number of days for all specified metrics
*/
-- Add here the metrics you want to check for outliers
-- (metrics that are cumulative or count-based)
{% set metric_names = (
"created_guest_journeys_not_cancelled",
"started_guest_journeys_not_cancelled",
"completed_guest_journeys_not_cancelled",
"created_guest_journeys",
"started_guest_journeys",
"completed_guest_journeys",
"total_csat_score_count",
"average_csat_score",
"deposit_fees_in_gbp",
"waiver_payments_in_gbp",
"checkin_cover_fees_in_gbp",
"total_guest_payments_in_gbp",
) %}
-- Set the number of standard deviations (sigma) allowed
-- for a value to be considered an outlier.
-- Values beyond this threshold from the average are flagged
-- as outliers.
{% set sigma_threshold = var("sigma_threshold", 3) %}
-- Set the number of previous days' data (e.g., 14 days) to
-- calculate the average and standard deviation for comparison.
{% set days_to_consider = 14 %}
with
recent_data as (
select *
from {{ ref("kpis__product_guest_daily_metrics") }}
where
date_day
between (current_date - interval '{{ days_to_consider + 1 }} days') and (
current_date - interval '1 day'
)
),
metrics_recent_data as (
select
{% for metric in metric_names %}
avg({{ metric }}) as avg_{{ metric }},
stddev({{ metric }}) as stddev_{{ metric }}
{% if not loop.last %},{% endif %}
{% endfor %}
from recent_data
),
outliers as (
select
rd.date_day,
{% for metric in metric_names %}
case
when
abs(rd.{{ metric }} - metrics_recent_data.avg_{{ metric }}) > (
metrics_recent_data.stddev_{{ metric }}
* {{ sigma_threshold }}
)
then 1
else 0
end as is_outlier_{{ metric }}
{% if not loop.last %},{% endif %}
{% endfor %}
from recent_data rd
cross join metrics_recent_data
where rd.date_day = current_date - interval '1 day'
)
select
{% for metric in metric_names %}
sum(is_outlier_{{ metric }}) as outlier_count_{{ metric }}
{% if not loop.last %},{% endif %}
{% endfor %}
from outliers
having
{% for metric in metric_names %}
sum(is_outlier_{{ metric }}) > 0 {% if not loop.last %} or {% endif %}
{% endfor %}