James – Page 2 – Data Science Review

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What Skills Do You Need for Data Analysis?

February 6, 2022
/ Data Science Skills
/ By James

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 more

The Four Core DAX Measures

February 5, 2022
/ Business Intelligence
/ By James

When I first started working with Power BI, I often heard that you could get by with just four core DAX measures: Total Sales, Total Cost, Total Profit, and Profit Margin. At the time, that advice felt

Create Lookup Tables from Fact Tables Using Merge in Power BI

January 30, 2022
/ Business Intelligence
/ By James

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 several

How to Get Familiar with Your Data

January 8, 2022
/ Data Science
/ By James

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

Why Data Analysts Need a Data Transformation Process

December 28, 2021
/ Data Processing
/ By James

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 analyst's

What’s the Big Deal About Filter Context in Power BI?

November 7, 2021
/ Tutorials
/ By James

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 generation

Tutorial: A Quick and Easy Mapping Table in Power BI

October 17, 2021
/ Business Intelligence
/ By James

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

Review of Data Camp’s Introduction to Python

September 12, 2021
/ Python
/ By James

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 innovative

Keep Your Career Current Through Maintenance Learning

August 22, 2021
/ Data Science Skills
/ By James

The data science field is constantly changing. Employers are demanding that data scientists know more and can do more. For that to happen, though, you'll need the right skillsets.Unless we use certain

Accessing the Dark Web: Proceed with Caution

July 3, 2021
/ Society
/ By James

At the time of this writing, it was not illegal to access the dark web. It's what you do on it that can get you into trouble. Further, some people don't even know when they are doing something wrong.

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