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I applied via LinkedIn and was interviewed before May 2023. There was 1 interview round.
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I applied via Naukri.com and was interviewed in Oct 2022. There were 4 interview rounds.
Mathematics, English and Reasoning..
Python is a high-level, interpreted programming language used for web development, data analysis, artificial intelligence, and more.
Python is easy to learn and has a simple syntax.
It is used for web development with frameworks like Django and Flask.
Python is popular for data analysis and visualization with libraries like Pandas and Matplotlib.
It is used for artificial intelligence and machine learning with libraries li...
posted on 4 Mar 2024
I applied via Referral and was interviewed before Mar 2023. There were 2 interview rounds.
I applied via LinkedIn and was interviewed in Sep 2023. There were 2 interview rounds.
XGBoost is preferred over Random Forest due to its faster execution speed and better performance in complex datasets.
XGBoost is faster than Random Forest due to its optimized implementation of gradient boosting algorithm.
XGBoost generally performs better in complex datasets with high-dimensional features.
XGBoost allows for more fine-tuning of hyperparameters compared to Random Forest.
XGBoost has regularization techniqu...
I applied via Referral and was interviewed in Nov 2021. There was 1 interview round.
Coalesce is used to select the first non-null value from a set of columns. Repartition is used to shuffle data across nodes.
Coalesce reduces the number of partitions to the minimum required.
Repartition increases or decreases the number of partitions.
Coalesce is a narrow transformation while repartition is a wide transformation.
Coalesce is used to optimize data for queries while repartition is used to balance data acros...
Optimizing joins involves selecting appropriate join types, indexing tables, and minimizing data movement.
Choose the appropriate join type based on the size and structure of the tables being joined
Index the tables on the join columns to speed up the join process
Minimize data movement by selecting only the necessary columns and filtering rows before joining
Consider using denormalization or materialized views to precompu
RDD is a low-level distributed data structure while DataFrame is a high-level structured data abstraction.
RDD is immutable and unstructured while DataFrame is structured and has a schema
DataFrames are optimized for SQL queries and can be cached in memory
RDDs are more flexible and can be used for complex data processing tasks
DataFrames are easier to use and provide a more concise syntax for data manipulation
RDDs are the...
I applied via Naukri.com and was interviewed in Oct 2022. There were 4 interview rounds.
Mathematics, English and Reasoning..
Python is a high-level, interpreted programming language used for web development, data analysis, artificial intelligence, and more.
Python is easy to learn and has a simple syntax.
It is used for web development with frameworks like Django and Flask.
Python is popular for data analysis and visualization with libraries like Pandas and Matplotlib.
It is used for artificial intelligence and machine learning with libraries li...
posted on 28 Feb 2024
I applied via Campus Placement and was interviewed before Feb 2023. There were 2 interview rounds.
It want really good, aptitude test, focus on basic
I applied via Naukri.com and was interviewed before Oct 2023. There were 2 interview rounds.
Technical question on based of resume
Questionnaire given to solve
I applied via LinkedIn and was interviewed before Oct 2022. There were 4 interview rounds.
Basic dsa question in python and data engineering questions ,sql
Basic dsa question in python and data engineering questions
posted on 30 Sep 2021
I applied via LinkedIn and was interviewed in Aug 2021. There were 4 interview rounds.
based on 1 review
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