Gaelim Holland
Author Archives: Gaelim Holland

10 DAX Most Useful Power BI Functions

The importance of data analytics and visualization has grown tremendously over the last 5 years. The terms Data transformations, Big Data, AI, and Blockchain are discussed in every sphere of business including operational staff and c-suite executives. It is of paramount importance that huge data sets are visualized efficiently to give managers better insights and […]

Starbucks Calorie Burn Calculator

  This data was sourced from Kaggle which had both McDonalds and Starbucks items datasets. The data was broken up by items and nutritional elements. I put this data into a Power BI dashboards. There were several functions to get this to work. The exercise data set was sourced from Nutri Strategy I based all […]

Sentiment Analysis in Power BI

How to use natural language sentiment analysis in your text data with Power BI. I am really starting to fall in love with Power BI now that I have the ability to use Python scripts to transform my data and bring my visuals to a whole new level. We will use the NLTK Sentiment Intensity […]

Pandas Merge and Append Tables

There are multiple ways to join, concatenated and merge data using Pandas. However, it all depends on your use case. For the examples below, we are going to use the example of a pickle shop merging their data with an ice cream shop to create a single data frame. Let’s take a look at the […]

Pandas Cut – Continuous to Categorical

Pandas cut function or pd.cut() function is a great way to transform continuous data into categorical data. The question is why would you want to do this. Here are a few reasons you might want to use the Pandas cut function. Practice your  Python skills with Interactive Datasets. Reason to Cut and Bin your Continous Data […]

Python Machine Learning in Power BI

We are going to do some machine learning in Python to transform our dataset into algorithm-digestible data for churn analysis. using sci-kit learn It’s a ton easier than it sounds. We will be utilizing the Python scripting option within the query editor in Power BI. Learn more machine learning and Power BI use cases with […]

Import PDF Tables in Power BI & Python

One of the best things that have happened to Power BI is the addition of Python scripting options. There are a host of things that can be accomplished such as data imports, custom Python visuals, and advanced data cleansing. For this tutorial, I am going to show you how to import PDF tables into Power […]

Which Superhero Has the Most Powers? | Data Viz

The datasets This data set was sourced from Kaggle. There are two data sets that had to be preprocessed and merged. The first data set contained each out the hero’s dimensions such as race, eye color, and other physical dimensions. The second dataset contains all the powers that are valued in boolean format.  The booleans […]

How to Create an Excel Step Chart

A step chart is a great way to show how there has been a significant increase at a period of time.  When simply using a line chart in Excel the data is naturally going to trend from one point to the next.  This action creates a slope. As opposed to, a stepchart that will show […]

Create a Seaborn Scatterplot

A scatterplot is one of the best ways to visually view the correlation between two numerical variables. Seaborn has a number of different scatterplot options that help to provide immediate insights.  This tutorial will show you how to quickly create scatterplots and style them to fit your needs. Learn Seaborn Data Visualization at Code Academy […]

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