Philips Innovation Campus Data Scientist Interview Questions and Answers

2 leetcode easy questions were asked

Data science case study

Q1. Why would you join us
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Easy but time limit was the main issue to address

Hard coding test on hacker earth platform no cameras and plagiarism tester will be on

Q1. What time intelligence functions can be used for ytd and qtd analysis
Ans. 
Time intelligence functions like YTD (Year-to-Date) and QTD (Quarter-to-Date) can be used for YTD and QTD analysis in data analytics.
• YTD analysis can be done using functions like YTD() or TOTALYTD() to calculate values from the beginning of the year up to the selected date.

• QTD analysis can be done using functions like QTD() or TOTALQTD() to calculate values from the beginning of the quarter up to the selected date.

• Thes...read more
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Q2. Difference between import and direct query
Ans. 
Import brings data into Power BI for further analysis, while direct query connects to data source in real-time.
• Import: Data is loaded into Power BI for analysis, improving performance but requiring periodic refreshes.

• Direct Query: Connects to data source in real-time, allowing for up-to-date information but potentially slower performance.

• Import is suitable for smaller datasets, while direct query is better for large da
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Q1. Tell me about yourself. What was your role in previous organisation? Tell me about my last trip for 2 minutes.
Ans. 
I am a dedicated professional with experience in project management and team leadership.
• Led a team of 10 project coordinators in my previous organization

• Managed multiple projects simultaneously, ensuring deadlines were met

• Implemented new strategies to improve efficiency and productivity

• Received recognition for outstanding performance in project execution
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Q1. Tell me about your self What was your role in previous organisation
Ans. 
I am a dedicated professional with experience in project management and team leadership.
• Led a team of 10 project coordinators in planning and executing multiple projects simultaneously

• Managed project timelines, budgets, and resources to ensure successful project completion

• Collaborated with cross-functional teams to identify project requirements and deliverables

• Implemented project management best practices to improve ef...read more
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Q1. Type of Filters in Tableau.
Ans. 
Tableau offers various types of filters including quick filters, context filters, and data source filters.
• Quick filters allow users to easily filter data by selecting values from a list.

• Context filters are applied before other filters, affecting the data visible to subsequent filters.

• Data source filters limit the data available to Tableau by filtering data at the data source level.

• Other types of filters include extract...read more
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Q2. Types of refresh in Tableau
Ans. 
There are two types of refresh in Tableau: Extract Refresh and Data Source Refresh.
• Extract Refresh: Refreshes the data in Tableau extract, which is a snapshot of data from the original data source.

• Data Source Refresh: Refreshes the data directly from the original data source.

• Examples: Extract Refresh is useful when working with large datasets to improve performance, while Data Source Refresh ensures real-time data upda
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Q3. Difference in Extract and live connection.
Ans. 
Extract connection imports data into Tableau workbook while live connection directly connects to data source.
• Extract connection creates a static snapshot of data in Tableau workbook.

• Live connection directly queries data from the source in real-time.

• Extract connection is useful for large datasets or when offline access is needed.

• Live connection is beneficial for real-time data analysis and dynamic updates.

• Example: Extra...read more
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Q1. Why do we need hire you?
Ans. 
I bring a unique blend of skills, experience, and passion that aligns perfectly with your team's goals and values.
• Proven track record: In my previous role, I increased team efficiency by 20% through process improvements.

• Strong communication skills: I effectively collaborated with cross-functional teams to deliver projects on time.

• Adaptability: I quickly learned new software tools, which helped streamline our workflow a...read more
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