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Review of Data Camp’s Introduction to Python
If you take no other course to learn Python, take the free first chapter to the Introduction to Python course from DataCamp.com. Between an industry expert teaching the course and Data Camp's...
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Tutorial: A Quick and Easy Mapping Table in Power BI
I often work with annual reports, including financial statements for listed companies. I do it both for investing and for my job where I want to know the financial solvency of my clients and potential...
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What’s the Big Deal About Filter Context in Power BI?
Power BI is a robust business intelligence tool, hence the BI in its title, that allows analysts to create meaningful reports from an organization’s data. You can think of Power BI as a next...
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Why Data Analysts Need a Data Transformation Process
Data is messy. It's a fact we all need to face as analysts. That's why analysts need a data transformation process. Business intelligence tools work best when data is not messy. A big part of an...
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How to Get Familiar with Your Data
Let's face it. Looking at data sometimes can be a nightmare. It never seems to conform to the neatly laid out samples from training modules. Often, the data you obtain is a scattered mess. How do you...
View ArticleCreate Lookup Tables from Fact Tables Using Merge in Power BI
When analyzing data, analysts should adhere to best practices. Once such best practice is to use a star schema for the data. At its basic level, a star schema contains one or more fact tables, and...
View ArticleThe Four Core DAX Measures
The DAX language is deceptively complex. The dynamics of the language itself, are actually easy. It's the nuances that trip people up, even experienced DAX programmers. If you are just getting...
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What Skills Do You Need for Data Analysis?
We know that data has permeated our lives. Every action you take these days seems to generate data. Whether that is good or bad is up for debate. But what is true is that data is being collected and...
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Create Stock Charts in Two Lines of Code
You need sophisticated software packages that you pay thousands of dollars a month to create stock charts, right? Perhaps that is the way it used to be. But these days, with the right Python...
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Grasping Loc and iLoc in Pandas
I am going to attempt to help you in grasping Loc and iLoc in Pandas. I set out to describe these two concepts because I and others have struggled with them. When I received my Aha! moment, I knew...
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