i
Go-Jek
Filter interviews by
Clear (1)
K-means is a popular clustering algorithm used to partition data points into K clusters based on similarity.
K-means aims to minimize the sum of squared distances between data points and their respective cluster centroids.
It requires the number of clusters (K) to be specified in advance.
The algorithm iteratively assigns data points to the nearest cluster centroid and updates the centroids until convergence.
K-means is se...
Top trending discussions
I applied via LinkedIn and was interviewed in Sep 2020. There was 1 interview round.
Sharing data insights can help improve services and identify revenue opportunities.
Analyzing customer behavior can help identify areas for improvement
Identifying trends in sales data can help optimize pricing strategies
Using data to personalize marketing efforts can increase customer engagement
Predictive modeling can help identify potential revenue opportunities
Tracking key performance indicators can help optimize busi
I applied via Referral and was interviewed before Aug 2022. There were 2 interview rounds.
Setting up a Dark Store involves converting a retail store into a fulfillment center for online orders.
Select a suitable location for the Dark Store, preferably in a centralized area with good access to transportation.
Optimize the layout of the store for efficient picking, packing, and shipping of orders.
Implement inventory management systems to track stock levels accurately and prevent stockouts.
Train staff on order f...
Joins combine data from two or more tables based on a related column.
Joins are used to retrieve data from multiple tables based on a related column
Common types of joins include INNER JOIN, LEFT JOIN, RIGHT JOIN, and FULL JOIN
Example: SELECT * FROM table1 INNER JOIN table2 ON table1.id = table2.id
The order of execution in a query determines the sequence in which operations are performed.
1. The order of execution in a query typically follows the sequence: FROM, WHERE, GROUP BY, HAVING, SELECT, ORDER BY.
2. The FROM clause specifies the tables involved in the query.
3. The WHERE clause filters the rows based on specified conditions.
4. The GROUP BY clause groups the rows that have the same values into summary rows.
5...
Group By is used to aggregate data based on a specific column, while Distinct is used to remove duplicate rows from a result set.
Group By is used with aggregate functions like COUNT, SUM, AVG, etc.
Distinct is used to retrieve unique values from a column or set of columns.
Group By can be used to group data based on multiple columns, while Distinct operates on individual columns only.
I applied via Instahyre and was interviewed in May 2024. There were 2 interview rounds.
Asked to write different SQL queries.
1. Moving average of lf previous 10 days
2. For a data which records in and out time of an employee. How many employees were present in the office at a given time
3. A/B testing vs pre-post testing
1. Had to come up with a method to give a score to each user based on FRM(frequency, recency, monetory)
2. Guesstimate: how many burgers does McD sells in a day
I applied via Referral and was interviewed before Sep 2023. There were 3 interview rounds.
Quant, LR, puzzles, cat based level 2 questions
Tuple is immutable and ordered, while list is mutable and ordered in Python.
Tuple is created using parentheses () while list is created using square brackets []
Tuple elements cannot be changed once assigned, while list elements can be modified
Tuple is faster than list for iteration and accessing elements
Example: tuple = (1, 2, 3) and list = [1, 2, 3]
I have a strong background in data analysis with experience in various industries.
Bachelor's degree in Statistics with a focus on data analysis
Proficient in SQL, Python, and data visualization tools like Tableau
Experience working with large datasets and conducting statistical analysis
Completed internships at XYZ Company and ABC Organization
Presented findings at industry conferences
I have learned to effectively analyze and interpret data to derive meaningful insights and make informed decisions.
Developed strong analytical skills through hands-on experience with various data analysis tools and techniques
Improved ability to identify trends, patterns, and outliers in data sets
Enhanced communication skills by presenting findings and recommendations to stakeholders
Learned to collaborate with team memb
I applied via LinkedIn and was interviewed in Apr 2024. There was 1 interview round.
I was interviewed in Aug 2024.
Calculate the number of rows after joining two datasets.
Count the number of rows in each dataset
Perform the join operation
Count the number of rows in the resulting dataset
Use Excel's text to columns feature to split person names into separate columns.
Select the column containing the full names
Go to the Data tab and click on Text to Columns
Choose 'Delimited' and select the delimiter that separates the names (e.g. space)
Click Finish to split the names into separate columns
I applied via Referral and was interviewed in Oct 2021. There was 1 interview round.
I applied via Referral and was interviewed in Sep 2023. There was 1 interview round.
I applied via Job Portal and was interviewed in Jun 2023. There were 3 interview rounds.
Aptitude test is a way for employers to assess a candidate's abilities through a variety of different testing formats. Aptitude tests will test your ability to perform tasks and react to situations at work. This includes: problem-solving.
based on 1 interview
Interview experience
based on 1 review
Rating in categories
Senior Software Engineer
87
salaries
| ₹0 L/yr - ₹0 L/yr |
Software Engineer
40
salaries
| ₹0 L/yr - ₹0 L/yr |
Data Scientist
32
salaries
| ₹0 L/yr - ₹0 L/yr |
Product Engineer
24
salaries
| ₹0 L/yr - ₹0 L/yr |
Product Manager
24
salaries
| ₹0 L/yr - ₹0 L/yr |
Ola Cabs
Swiggy
Zomato
Flipkart