사용자가 중간 단계를 건너뛸 수 있다면, 혹은 그럴 가능성이 있는지 확인하고 싶다면 전체 사
용자가 저장된 테이블과 각 단계의 사용자가 저장된 테이블에
LEFT
JOIN
을 수행해 전체 사용
자 대비 단계별 사용자 비율을 계산합니다.
SELECT
count
(a.user_id)
as
all_users
,
count
(b.user_id)
as
step_one_users
,
count
(b.user_id) /
count
(a.user_id)
as
pct_step_one
,
count
(c.user_id)
as
step_two_users
,
count
(c.user_id) /
count
(b.user_id)
as
pct_step_two
FROM
users
a
LEFT
JOIN
step_one b
on
a.user_id = b.user_id
LEFT
JOIN
step_two c
on
a.user_id = c.user_id
;
두 쿼리에는 미묘한 차이가 있는데, 이를 잘 이해하고 상황에 맞게 적절한 쿼리를 사용하면 됩
니다. 타임 박싱 개념을 적용해 정해진 시간 내에 특정 액션을 완료한 사용자가 긴 휴면 후에
다시 퍼널로 돌아오는 비율을 분석해보는 방법도 있습니다. 그룹 간 퍼널 이동 ...
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