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Cohort analysis in Google Analytics helps track the behavior of specific groups of users over time.
Cohort analysis groups users based on a common characteristic or behavior, such as sign-up date or acquisition channel.
It helps in understanding user retention, engagement, and conversion rates for different cohorts.
Example: Analyzing the retention rate of users who signed up in a particular month compared to users who si
Types of joins in SQL include inner join, outer join, left join, right join, and full join.
Inner join: returns rows when there is a match in both tables
Outer join: returns all rows from both tables, filling in NULLs for missing matches
Left join: returns all rows from the left table and the matched rows from the right table
Right join: returns all rows from the right table and the matched rows from the left table
Full joi...
I applied via Naukri.com and was interviewed in Jan 2022. There were 3 interview rounds.
Group by clause is used to group data based on a specific column in a table.
Used with aggregate functions like SUM, COUNT, AVG, etc.
Helps in analyzing data by grouping it based on a common attribute.
Can be used with multiple columns to create nested groups.
Example: GROUP BY department in a table of employees to get the total salary for each department.
CountA, CountB, Countif are functions used in Google Sheets to count cells based on certain criteria.
CountA counts the number of cells in a range that are not empty.
CountB counts the number of cells in a range that are not blank.
Countif counts the number of cells in a range that meet a certain condition.
Countif can be used with operators like >, <, =, and functions like AND, OR.
Countif can also be used with wildcards l
What people are saying about CarDekho
I applied via Campus Placement and was interviewed in Oct 2024. There were 3 interview rounds.
It was based on 4 sql questions of medium to hard level and 24 mcqs based on sql,aptitude,excel.
I applied via LinkedIn and was interviewed in Aug 2024. There were 2 interview rounds.
Technical + Analytics
I gave my coding test this august 2024, it was purely based on SQL coding
8 question, 3 easy, 3 intermediate and 3 hard.
Implemented a project to optimize marketing campaigns using predictive analytics
Developed a predictive model to identify the most effective marketing channels
Utilized data from past campaigns to train the model
Used techniques such as regression analysis and decision trees to analyze the data
Generated insights on customer behavior and preferences to improve campaign targeting
The number of McDonald's orders can be estimated based on factors like location, time of day, and day of the week.
Consider the population density of the area where the McDonald's is located
Take into account the time of day - more orders during meal times
Factor in the day of the week - weekends may have higher order volumes
Look at historical data or industry averages for similar locations
Consider any promotions or speci
I applied via Referral and was interviewed in Jun 2024. There were 2 interview rounds.
I applied via campus placement at Indian Institute of Technology (IIT), Guwahati and was interviewed before Jan 2024. There was 1 interview round.
We had an aptitude test which involved 60 questions in 15 minutes. Of course, no one can solve this fast, but it was about the hit rate / accuracy and volume. Subsequent followed with two guesstimate based rounds and final as HR round which involved asking about college projects, extra curricular experiences and so on.
I applied via Job Portal and was interviewed in Aug 2024. There was 1 interview round.
Written test, asked to write queries on paper for given questions
Interview experience
based on 14 reviews
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