Data Analyst and Tableau Developer Interview Questions and Answers

Pandas is used for data manipulation and analysis in Python, providing tools for cleaning, transforming, and analyzing datasets.

• Pandas allows for easy data manipulation, cleaning, and transformation.

• It provides data structures like DataFrame and Series for working with tabular data.

• Pandas can handle missing data, merging and joining datasets, and grouping data for analysis.

• It integrates well with other libraries like NumPy and Matplotlib for data analysis and visualization.

• Ex...read more

A filter in Tableau is a feature that allows users to narrow down the data displayed in a visualization based on specified criteria.

• Filters can be applied to individual worksheets or to the entire dashboard.

• Users can filter data based on dimensions, measures, or sets.

• Filters can be set up as quick filters for easy access and manipulation.

• Examples: filtering sales data by region, filtering customer data by purchase date.