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I applied via Recruitment Consulltant and was interviewed in Dec 2022. There were 2 interview rounds.
MYSQL window functions allow for calculations across rows in a result set.
Window functions are used to perform calculations across rows in a result set
They are used with the OVER() clause
Examples include ROW_NUMBER(), RANK(), DENSE_RANK(), and NTILE()
They can be used to calculate running totals, moving averages, and more
Assignment of Google sheets
Analysis and logical reasoning involve examining data, identifying patterns, and drawing conclusions based on evidence.
Analysis involves breaking down complex information into smaller components for better understanding.
Logical reasoning is the process of using rational thinking to make sense of information and draw valid conclusions.
Analytical skills are essential for interpreting data accurately and making informed d...
Rank assigns unique ranks to each distinct value, while dense rank does not leave gaps between ranks.
Rank assigns unique ranks to each distinct value in a dataset
Dense rank does not leave gaps between ranks, assigning consecutive ranks to values with the same rank
For example, if values are 10, 20, 20, 30, then rank would be 1, 2, 2, 4 and dense rank would be 1, 2, 2, 3
Merge multiple files in Python using pandas.concat() or pd.merge() functions.
Use pandas.concat() function to merge multiple files vertically (row-wise).
Use pd.merge() function to merge multiple files horizontally (column-wise) based on a common column.
Ensure that the files have compatible column names and data types before merging.
Handle any missing or duplicate values appropriately during the merging process.
Consider ...
A data frame is a two-dimensional data structure in which data is stored in rows and columns.
Data frames are commonly used in programming languages like R and Python for data analysis.
Each column in a data frame represents a variable, while each row represents an observation.
Data frames can contain different types of data, such as numeric, character, and factor.
Data frames can be created from various sources like CSV f
I appeared for an interview in Jan 2025.
I applied via Company Website and was interviewed before Dec 2021. There were 2 interview rounds.
Group discussion can also provide feedback to instructors on participant comprehension.
I applied via Recruitment Consulltant and was interviewed in Sep 2024. There were 3 interview rounds.
Questions related to logical thinking
Common topics related to AI & other stuffs
I applied via LinkedIn and was interviewed in May 2023. There were 3 interview rounds.
Send assignment doings MS Excel
I appeared for an interview before Mar 2024.
The test lasted about an hour and included data structures, algorithms and basic problem solving.
I have worked on various data analysis projects, focusing on improving efficiency through data-driven insights and automation.
Developed a dashboard for sales data analysis, reducing report generation time by 50%.
Automated data cleaning processes, which decreased manual effort by 30 hours per month.
Implemented predictive analytics for inventory management, leading to a 20% reduction in stockouts.
Conducted A/B testing fo...
Data Analyst with a passion for transforming data into actionable insights, skilled in SQL, Python, and data visualization tools.
Educational Background: Bachelor's degree in Statistics, where I developed a strong foundation in data analysis techniques.
Technical Skills: Proficient in SQL for database management and data extraction, and Python for data manipulation and analysis.
Experience: Worked on a project analyzing c...
I applied via Walk-in and was interviewed before Feb 2021. There were 3 interview rounds.
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