CareerFoundry Data Analytics Blog

What Is the Average Data Scientist Salary?
How much could you earn as a data scientist, and how do salaries vary by experience, job title, and location? We’ve compiled all the most recent salary data here.

What Are the Best Tools for Data Mining?
What is data mining, and what are the most useful tools for the job? Discover our top data mining tools in this guide.

The 7 Best Data Cleaning Tools All Data Analysts Should Know About
Data cleaning tools are an essential part of any data analyst's toolkit. Check out our roundup of the best data cleaning tools here.

Structured vs. Unstructured Data: What’s the Difference?
Do you know the difference between structured, unstructured, and semistructured data? Check out this beginnerfriendly explanation, complete with examples.

How To Use Conditional Formatting in Excel
Conditional formatting is one of the most useful functions in Microsoft Excel. Learn what it's used for and how to apply it here.

How To Use the INDIRECT Function in Excel: A StepbyStep Guide
The INDIRECT function in Excel is used to create a reference specified by a text string. Learn how to use this handy function here.

Data Science in Finance: The Top 9 Use Cases
Big data has transformed the economy, and data science has many uses in the finance industry. Check out the top applications of data science in finance here.

What Does a Data Scientist in Finance Actually Do?
What does a financial data scientist do, and how much do they earn? How can you start a data career in the finance industry? Discover everything you need to know here.

9 Tips on How To Excel in Your First Data Analyst Job
Just landed a job in the data industry, or looking ahead to your future career? Here's how to excel in your first role as a data analyst.

What Is Ratio Data?
Ratio data are measured on a continuous, equidistant scale that shows order, direction, and a precise difference in values. Ratio data also has a true zero. Learn more in this beginnerfriendly guide.

What Is Interval Data?
The interval level measures data on a continuous scale, with equal distances between adjacent values. Learn more in this guide.

What Is Ordinal Data?
The ordinal scale of measurement classifies data into categories, and follows an order or hierarchy. Learn all about ordinal data (with examples) in this guide.

17 Data Analytics Buzzwords (and What They Really Mean)
New to data analytics and trying to get to grips with some tricky terminology? Here’s a selection of key data buzzwords and what they really mean.

What Qualifications Do You Need To Become a Data Analyst?
Data analysts are in high demand—but what qualifications do you need to become one? Find out in this guide.

Data Bootcamp vs. Data Degree: Which Is Best for You?
What's the best way to kickstart your career in data analytics—a degree or a bootcamp? We weigh up the pros and cons of each in this guide.

How To Find, Remove, or Enable Circular References in Excel: A StepbyStep Guide
A circular reference in Excel can be problematic—but, in some unique cases, it may be useful. Learn everything you need to know about circular references in this guide.

What Are the Four Levels of Measurement? Nominal, Ordinal, Interval, and Ratio Data Explained
When working with data, it's important to understand the four levels of measurement: Nominal, ordinal, interval, and ratio. Learn all about them (with examples) in this guide.

How To Calculate Variance in Excel
Calculating variance allows you to determine the spread of numbers in a data set against the mean. Learn how to calculate variance in Excel here.

What Is Nominal Data?
Nominal data is a type of data (or level of measurement) which groups variables into categories. Learn how to collect, analyze, and visualize nominal data in this guide.

What Does a Data Analyst Actually Do?
If you're wondering what exactly a data analyst does on a daytoday basis, look no further. Discover everything you need to know about the data analyst role here.

What Is Data Visualization and Why Is It Important? A Complete Introduction
Data visualization is all about presenting data in a visual format to communicate valuable insights and tell a meaningful story. Discover everything you need to know in this guide.

13 of the Most Common Types of Data Visualization
How you visualize your data depends on the type of data you have. In this guide, we explain the most common types of data visualization and when to use them.

9 Beautiful and Informative Data Visualization Examples
Data can be beautiful! And data visualization is a crucial part of the data analytics process. Allow these data viz examples to inspire you.

How To Convert Text to Numbers in Excel
If you find that numbers have been stored incorrectly as text in your Excel spreadsheet, there are some simple ways to fix the issue. Learn about them here.

How To Use the VLOOKUP Function in Excel
The VLOOKUP function allows you to look up data in a table within a Microsoft Excel spreadsheet. Learn how to use it here.

What Is Bernoulli Distribution? A Beginner’s Guide
Bernoulli distribution is a simple yet important type of distribution, laying the foundation for more complex distributions and machine learning models. Learn more in this introductory guide.

The 7 Best Data Visualization Tools
As a data analyst, a crucial part of your role is presenting your insights visually. With that in mind, here are the best data visualization tools on the market right now.

What’s the Difference Between Machine Learning and Deep Learning?
Machine learning and deep learning are two subsets of artificial intelligence. What's the difference between them, and how do they relate? Find out here.

How To Use the AVERAGE Function in Excel: A StepbyStep Guide
The AVERAGE function allows you to quickly and easily calculate the average of a given range of numbers. Learn how to use this handy function here.

How To Use the XLOOKUP Function in Excel
The XLOOKUP function in Excel is a powerful search tool, allowing you to find particular values from a range of cells. Learn more in this guide.

How to Use the COUNTIFS Function in Excel: A StepbyStep Guide
The COUNTIFS function is used to count only the values in a list that meet specified criteria. Learn how to use it in this stepbystep tutorial.

How to Use the IFERROR Function in Excel
The IFERROR function is used to catch formula errors in Microsoft Excel. Learn how to use this handy function here.

What’s the Difference Between Descriptive and Inferential Statistics?
All statistical techniques can be divided into two categories: descriptive and inferential statistics. In this post, we explore the differences between the two, and how they impact the field of data analytics.

What’s the Difference Between a Data Scientist and a Data Engineer?
What do data scientists and data engineers actually do? Do the roles overlap, and what are the key skills of each? Find out here.

What’s the Best Language for Machine Learning?
Machine learning is a complex yet exciting field, and programming languages have a key role to play. So what's the best language for machine learning? Find out here.

The Best Data Science Bootcamps in 2021
The big data market is growing exponentially—as is the demand for data scientists. Considering a data science bootcamp? Here are our top picks.

How to Use the IF Function in Microsoft Excel
The IF function in Excel enables you to check for certain conditions within your data. Learn how to use the IF function in this stepbystep tutorial.

What Is Exploratory Data Analysis?
Exploratory data analysis, or EDA, is one of the first steps in the data analytics process. Learn what EDA is, why it's important, and a few techniques to help you get started here.

What Is Data Wrangling?
Data wrangling is the transformation of raw data into a usable format. But what exactly does the process entail? Find out in this introductory guide.

Standard Deviation in Excel: A StepbyStep Tutorial
The STDEV function in Excel allows you to determine the standard deviation of a data sample. But what does this mean, and how does the function work? Find out in this guide.

An Introduction to Multivariate Analysis
Multivariate analysis enables you to explore several variables simultaneously—allowing for deeper, more complex insights. Learn all about multivariate analysis in this guide.

How to Use the Goal Seek Function in Microsoft Excel
The Goal Seek function in Excel allows you to adjust an input value in a formula to determine a desired outcome. Learn how to use it in this stepbystep tutorial.

What Is the Difference Between Regression and Classification?
In data analytics, regression and classification are techniques used to carry out predictive analyses. But how do these models work, and how do they differ? Find out here.

15 Data Science Podcasts for Data Enthusiasts
Podcasts are a great way to learn on the go, gain broader industry knowledge, and hear from experts in the field. So which data podcasts should you tune into? Here are our favorites.

How to Use the SUBTOTAL Function in Excel
The SUBTOTAL function in Microsoft Excel returns the subtotal value from a range of cells. Learn how to use the SUBTOTAL function in this stepbystep tutorial.

What Is Web Scraping? A Complete Beginner’s Guide
Web scraping is a technique used by data analysts to gather data from the web. Learn what web scraping is, how it works, and why it’s so important in this guide.

These Are the Top Industries Hiring Data Analysts Right Now
Which industries are hiring data analysts and data scientists right now? How much do they pay? Find out in this guide.

How to Use the SUMIF Function in Excel
The SUMIF function in Microsoft Excel allows you to calculate the combined values of different cells, based on specific criteria. In this tutorial, we’ll explain, stepbystep, how to use the SUMIF function.

What Is Data Quality and Why Is It Important?
Data quality is crucial in the fields of data analytics and data science. Want to know how to qualitycheck your data? Find out here.

What Is Data Cleaning and Why Does It Matter?
Effective data cleaning is a vital part of the data analytics process. But what is it, why is it important, and how do you do it? Find out in this guide.