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I appeared for an interview before Jun 2016.
Brownian motion is the random motion of particles in a fluid due to collisions with other particles.
Brownian motion was first observed by Robert Brown in 1827.
It is named after the botanist Robert Brown.
The motion is caused by the random movement of fluid molecules.
Brownian motion is a continuous-time stochastic process.
It is often used to model various phenomena in physics, finance, and biology.
Properties of Brownian ...
A Martingale is a mathematical concept used in probability theory and statistics. Markov Processes are stochastic processes that satisfy the Markov property.
A Martingale is a sequence of random variables where the expected value of the next variable, given the current and past variables, is equal to the current variable.
Markov Processes are stochastic processes where the future state depends only on the current state a...
I applied via Referral and was interviewed before Jun 2021. There were 3 interview rounds.
SQL server
SQL DBA
I applied via LinkedIn and was interviewed before Dec 2023. There was 1 interview round.
Hackerrank test of 2 medium questions
A data analyst is a professional who collects, processes, and analyzes data to provide insights and support decision-making.
Collects data from various sources
Cleans and processes data to ensure accuracy
Analyzes data using statistical methods and tools
Interprets data to identify trends and patterns
Presents findings and recommendations to stakeholders
posted on 30 Dec 2024
Good went well nicce process
Medium level questions
I applied via Naukri.com and was interviewed in May 2024. There was 1 interview round.
I have debugged macros by reviewing code, checking for errors, using print statements, and stepping through code.
Reviewing the macro code line by line to identify any syntax errors or logical mistakes
Using print statements to output variable values and check for unexpected results
Stepping through the code using a debugger tool to track the flow of execution and pinpoint issues
Testing the macro with different inputs to
I handle big data by using advanced analytics tools and techniques to extract valuable insights.
Utilize data visualization tools like Tableau or Power BI to analyze and present data
Use programming languages like Python or R for data manipulation and statistical analysis
Implement machine learning algorithms to uncover patterns and trends in large datasets
Leverage cloud computing platforms like AWS or Google Cloud for sc...
I applied via LinkedIn and was interviewed in Sep 2023. There was 1 interview round.
To delete duplicates, use SQL query with DISTINCT keyword or remove duplicates programmatically in Python using sets.
Use SQL query with DISTINCT keyword to remove duplicates from a database table
In Python, remove duplicates from a list using sets: list(set(original_list))
For pandas DataFrame, drop duplicates using df.drop_duplicates()
Senior Analyst
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21
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18
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