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Mindshare Data Scientist Interview Questions, Process, and Tips
Mindshare Data Scientist Interview Experiences
1 interview found
Anonymous
Web scraping of movie reviews and NLP sentiment analysis on those reviews.
(4 Questions)
- Q1. 1) Explain the purpose and approach of solved assignment.
- Ans.
Solved assignments are designed to test understanding and application of concepts learned in a course.
Solved assignments help students practice and apply theoretical knowledge in practical scenarios.
They assess the student's understanding of the subject matter and their ability to solve problems independently.
Assignments often include real-world examples or case studies to enhance learning outcomes.
Feedback provided on...
- Q2. 2) What is the difference between list, tuple and dictionary.
- Ans.
List is mutable, tuple is immutable, and dictionary is key-value pair data structure.
List: Mutable, ordered collection of items. Example: [1, 2, 3]
Tuple: Immutable, ordered collection of items. Example: (1, 2, 3)
Dictionary: Key-value pairs, unordered collection. Example: {'key1': 'value1', 'key2': 'value2'}
- Q3. 3) What is the difference between inner join, outer join, left outer join, right outer join.
- Ans.
Inner join returns only the rows that have matching values in both tables, while outer join returns all rows from both tables.
Inner join: returns rows with matching values in both tables
Outer join: returns all rows from both tables, filling in missing values with NULL
Left outer join: returns all rows from the left table and the matched rows from the right table
Right outer join: returns all rows from the right table and
- Q4. 4) Write python function to print prime numbers in a given range.
- Ans.
Python function to print prime numbers in a given range.
Create a function that takes a start and end range as input
Iterate through each number in the range and check if it is prime
Use a nested loop to check if the number is divisible by any number other than 1 and itself
Print the prime numbers found in the given range
(1 Question)
- Q1. Scenario based questions.
Interview Preparation Tips
Skills evaluated in this interview
Interview questions from similar companies
I applied via Recruitment Consulltant and was interviewed in Jun 2022. There were 2 interview rounds.
(2 Questions)
- Q1. Write a SQL query to find all duplicate emails in a table named person
- Ans.
SQL query to find duplicate emails in a table named person
Use GROUP BY and HAVING clause to group emails and count their occurrences
Select only those emails which have count greater than 1
Example: SELECT email, COUNT(*) FROM person GROUP BY email HAVING COUNT(*) > 1;
- Q2. Given a weather table, write a sql query to find all date's ids with higher temperature compared to it's previous dates
- Ans.
SQL query to find date ids with higher temperature compared to previous dates in weather table
Use self join to compare temperature of current date with previous dates
Order the table by date to ensure correct comparison
Select date ids where temperature is higher than previous dates
Interview Preparation Tips
Skills evaluated in this interview
Jithin Narayanan
I applied via Recruitment Consulltant and was interviewed in Dec 2023. There was 1 interview round.
(2 Questions)
- Q1. Build a MMX Model for the dataset given and share the insights
- Ans.
Build a MMX Model for a given dataset and share insights
Preprocess the data by handling missing values and encoding categorical variables
Split the data into training and testing sets
Build the MMX model using appropriate algorithms like decision trees or random forests
Evaluate the model using metrics like accuracy, precision, recall, and F1 score
Interpret the model results to gain insights and make data-driven decisions
- Q2. How to evaluate Time series analysis
- Ans.
Time series analysis can be evaluated by examining the accuracy of forecasts, the model's ability to capture trends and patterns, and the overall performance metrics.
Evaluate forecast accuracy using metrics like Mean Absolute Error (MAE) or Root Mean Squared Error (RMSE)
Assess the model's ability to capture trends and patterns by visualizing the data and comparing it to the model's predictions
Analyze the overall perfor...
Interview Preparation Tips
Skills evaluated in this interview
DSA and ML, AI, Coding question
(1 Question)
- Q1. Case study which was easy
(1 Question)
- Q1. In depth questions on ML
Selected
I applied via Naukri.com and was interviewed before May 2023. There was 1 interview round.
(2 Questions)
- Q1. Explain the projects worked on previous companies and questions related to it
- Q2. Questions bases on time series algorithms
Interview Preparation Tips
I applied via Campus Placement and was interviewed in Oct 2023. There were 3 interview rounds.
2hrs - sections include aptitude, machine learning, deep learning and two easy python coding questions
(4 Questions)
- Q1. Resume scrutiny with projects and internships
- Q2. How to measure 45 mins duration using two identical wires
- Q3. Partition a round cake into eight equal parts within three cuts
- Q4. 10 coins puzzle (5 heads up and 5 tails up)
Interview Preparation Tips
Selected
I appeared for an interview in Sep 2024, where I was asked the following questions.
- Q1. What is the process for creating a data pipeline in Spark to continuously monitor the number of devices that are online?
- Ans.
Creating a Spark data pipeline to monitor online devices involves data ingestion, processing, and real-time analytics.
1. Data Ingestion: Use Spark Streaming to ingest data from sources like Kafka or MQTT where device status updates are published.
2. Data Processing: Transform the incoming data using Spark's DataFrame API to filter and aggregate the number of online devices.
3. Real-time Analytics: Utilize Spark Structure...
- Q2. How can a large language model (LLM) be used to create YouTube Shorts?
- Ans.
LLMs can generate scripts, ideas, and captions for engaging YouTube Shorts content.
Script Generation: LLMs can create concise scripts based on trending topics, e.g., a 60-second summary of a popular movie.
Content Ideas: They can suggest creative concepts for Shorts, like '5 Quick Tips for Healthy Eating' or 'Top 3 Travel Destinations'.
Caption and Hashtag Suggestions: LLMs can generate catchy captions and relevant hasht...
Selected
I applied via Naukri.com and was interviewed before Jun 2022. There were 3 interview rounds.
They gave me case study in interview based on that I had provide the solution.
(1 Question)
- Q1. They asked question regarding SQL, statistics and some project related questions
Selected
I applied via Walk-in and was interviewed in Jul 2024. There was 1 interview round.
(1 Question)
- Q1. Tell me about your self
- Ans.
I am a dedicated and detail-oriented professional with a background in marketing and a passion for driving results.
Background in marketing
Detail-oriented
Passion for driving results
Selected
I applied via Referral and was interviewed before Jun 2023. There were 2 interview rounds.
(2 Questions)
- Q1. Talk about yourself
- Q2. What is your professional experience
Simple SQL questions
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Mindshare Data Scientist Interview Process
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