When doing correlation analysis in Excel, in most cases you will deal with the Pearson correlation. But when the underlying assumptions of the Pearson correlation (continuous variables, linearity, and normality) are not met, you can do the Spearman rank correlation instead of Pearson's. Continue reading
One of the simplest statistical calculations that you can do in Excel is correlation. Though simple, it is very useful in understanding the relations between two or more variables. Microsoft Excel provides all the necessary tools to run correlation analysis, you just need to know how to use them. Continue reading
It is very easy to add a trendline in Excel. The only real challenge is to choose the trendline type that best corresponds to the type of data you are analyzing. In this tutorial, you will find the detailed description of all the trendline options available in Excel and when to use them. Continue reading
When plotting data in a graph, you may often want to visualize the general trend in your data. This can be done by adding a trendline to a chart. Luckily, Microsoft Excel has made inserting a trend line very easy, especially in newer versions. Continue reading
Empty lines can cause a lot of havoc to your worksheets on different levels and deleting them manually can be a time-consuming and error-prone process. In this article, you will learn a few simple and reliable methods to remove blank rows from your Excel worksheets. Continue reading
There may be many situations when you need to create a new spreadsheet based on an existing one or move a tab from one Excel file to another. Luckily, there exist a few easy and quick ways to duplicate sheets in Excel. Continue reading
Duplicating multiple sheets multiple times manually is boring and time consuming. In this tutorial, you will find a handful of macros to automate this task. Continue reading
Empty cells are not bad if you are intentionally leaving them in right places for aesthetic reasons. But blank cells in wrong places are certainly undesirable. Luckily, there is a relatively easy way to remove blanks in Excel. Continue reading
The prospect of reviewing all the columns in your worksheet and removing the empty ones manually is definitely something you'd want to avoid. Luckily, Microsoft Excel provides a great lot of different features, and by using those features in creative ways you can cope with almost any task. Continue reading
Combining data from multiple tables is one of the most daunting tasks in Excel. If you decide to do it manually, you may spend hours only to find out that you've messed up important information. The good news for all Excel users - Power Query or Merge Tables Wizard can be your time-saver. Continue reading
In most situations, first and last names are stored in two separate columns, but occasionally you may need to combine two names in one cell. Luckily, the days of merging anything manually are over. In this tutorial, you will find some quick tricks to combining names in Excel that will save you a lot of boring time. Continue reading
It is a very common situation when different pieces of data are dispersed across many worksheets and workbooks. Fortunately, Excel provides a few tools to combine data from multiple tables into one, and this tutorial will teach you how to use these tools most effectively. Continue reading
You have built a complex formula dependent on multiple variables and want to know how changing those inputs changes the results. Instead of testing each variable individually, set up a What-if analysis data table and observe all the possibilities with a quick glance! Continue reading
On our blog, we already have a handful of Excel IF tutorials and still discover new uses every day. Today, we are going to look at how you can use IF together with the AND function to evaluate two or more conditions at the same time. Continue reading
In situations when there are many points in a scatter graph, it could be a real challenge to spot a particular one. Professional data analysts often use third-party add-ins for this, but there is a quick and easy technique to identify the position of any data point by means of Excel. Continue reading
When looking at two columns of quantitative data in your Excel spreadsheet, what do you see? Just two sets of numbers. Do you want to see how the two sets are related to each other? The scatter plot is the ideal graph choice for this. Continue reading
IF is one of the most popular Excel functions and very useful on its own. Combined with the logical functions such as AND, OR, and NOT, the IF function has even more value because it allows you to test multiple conditions in desired combinations. Continue reading
Subtraction is one of the four basic arithmetic operations, and every primary school pupil knows that to subtract one number from another you use the minus sign. This good old method also works for subtracting numbers and cells in Excel. Continue reading
In situations when you want to compare the actual values with the target you wish to achieve, you can draw a horizontal line in your Excel graph such as an average line, baseline or target line. This can be done by combining two different chart types in the same graph. Continue reading
What-If Analysis is one of the most powerful Excel features and one of the least understood. In most general terms, it allows you to test out various scenarios and determine a range of possible outcomes. In this tutorial, we will focus on one of What-If Analysis tools - Goal Seek. Continue reading
The line graph is one of the simplest and easiest-to-make charts in Excel. Line charts are commonly used in statistics and science because they show trends clearly and are easy to plot. Continue reading
Excel AutoCorrect is designed to correct misspelled words automatically as you type, but in fact it is more than just correction. Continue reading
Although Microsoft Excel is not a word processing program, it does have a few features to work with text, including the spell-checking facility. However, spell check in Excel is not exactly the same as in Word. Continue reading
Some Excel users prefer organizing data vertically in columns while others choose horizontal arrangement in rows. In situations when you need to quickly change the orientation of a given range, TRANSPOSE is the function to use. Continue reading
Run regression analysis in Excel to get the answers to the following questions: Which factors matter and which can be ignored? How closely are these factors related to each other? And how certain can you be about the predictions? Continue reading
In this tutorial, intended for beginners, we will touch only lightly on theory and calculations behind the Excel LINEST function. Our main focus will be on providing you with a formula that simply works and which you can easily customize for your data. Continue reading
Sometimes values in your Excel worksheets look like numbers, but they don't add up, don't multiply and produce errors in formulas. A common reason for this is numbers formatted as text. This tutorial will teach you how to convert numeric strings to actual numbers. Continue reading
Normally, Microsoft Excel recognizes numbers stored as text and converts them to the numerical format automatically. However, if the data is in a format that Excel cannot recognize, numeric values can be left as text making calculations impossible. Continue reading
One of the fundamental things we know about numbers is that they can be positive and negative. But sometimes you may need to use only positive numbers, and that's where the absolute value comes in handy. Continue reading
Do you want to know the principle causes to which you should devote the most efforts? It is what the Pareto principle, or the law of the vital few, is all about. Continue reading
