Posts
All the articles I've posted.
-
What Does an Exploratory Data Analysis (EDA) Evaluate?
An Exploratory Data Analysis (EDA) is a critical step in the data analysis process that focuses on evaluating and examining data to uncover its main characteristics. It is performed before delving
-
Adding Custom Columns to Your Date Table in Power BI
Introduction A Date Table is an integral part of building robust and insightful Power BI reports. While a basic Date Table allows for time-based filtering and analysis, custom columns can add even
-
Grouping Data in PySpark with Aliases for Aggregated Columns
When working with large datasets in PySpark, grouping data and applying aggregations is a common task. In this post, we’ll explore how to group data by a specific column and use aliases for the
-
Handling Offset-Naive and Offset-Aware Datetimes in Python
When working with datetime objects in Python, you may encounter the error: TypeError: can't compare offset-naive and offset-aware datetimes This error occurs when comparing two datetime objects where
-
Extracting Dynamic Content from an iFrame with Selenium in Python
Accessing content inside an iFrame can be tricky, especially when the content is loaded dynamically. In this blog post, we’ll walk through an example of how to navigate an iFrame, click on an
-
Automating SQL Script Execution with Cron
In this blog post, we’ll explore how to automate the execution of SQL scripts using cron , a powerful scheduling tool available on Unix-based systems. This approach is ideal for database
-
Are Indexes a Good Strategy for Analytical Databases?
Indexes are a well-known optimization technique in database management, often associated with improving query performance. However, whether they are a good strategy for analytical databases depends on
-
Counting Word Frequency in a SQL Column
Sometimes, you may need to analyze text data stored in a database, such as counting the frequency of words in a text column. This blog post demonstrates how to achieve this in SQL using a practical