Variance is one of the most useful tools in probability theory and statistics. In science, it describes how far each number in the data set is from the mean. In practice, it often shows how much something changes. In this article, we will analyze different methods of calculating variance in Excel. Continue reading
Even in the modern versions of Excel, there is no easy way to insert a vertical line in a chart. However, "no easy way" does not mean no way at all. We will just have to do a little lateral thinking! Continue reading
You may think percentage calculations are useful only if you use them for work. But in reality, they help you in everyday life. Do you know how to tip properly? Is this discount a real deal? How much will you pay with this interest rate? Come find the answers to these and other similar questions in this article. Continue reading
The tutorial shows how to make an amortization schedule in Excel to detail periodic payments on an amortizing loan or mortgage, including an amortization schedule with extra payments and a variable number of periods. Continue reading
The interest portion of a loan payment can be calculated manually by multiplying the period's interest rate by the remaining balance. But Microsoft Excel has a special function for this – the IPMT function. In this tutorial, we will go in-depth explaining its syntax and providing real-life formula examples. Continue reading
Whether there's summer knocking on our doors or winter invading Westeros, we still work in Google Sheets and have to compare different pieces of tables with one another. In this article, I'm sharing ways of matching your data and giving away tips on doing that swiftly. Continue reading
When you make periodic payments on a loan or mortgage, a certain part of each payment goes towards the interest and the remainder is applied to the loan principal. In this tutorial, we will look at how to use the PPMT function to calculate the principal portion of the payment. Continue reading
Combining duplicate rows in your spreadsheets may turn to one of the most intricate tasks. Let's see what Google formulas can help and get to know one smart add-on that does all the job for you. Continue reading
Before you borrow money it's good to know how a loan works. Thanks to the Excel financial functions such as PMT, PPMT and IPMT, computing periodic payments for a loan is easy. In this tutorial, we will have a closer look at the PMT function. Continue reading
In this article, you will learn two quickest ways to convert formulas to values in Google Sheets. Continue reading
Scientists love quantifying different things, and they even found a way to quantify uncertainty. For this, they calculate confidence intervals, or margins of error, and display them by using error bars. Continue reading
Like many Outlook users, you may often need to send the same text over and over again – new offers to your business partners, replies to prospective clients, reports to supervisors, and so on. Do you still do it the long and tedious keystroke way? In this case, you'll certainly find Quick Parts very useful. Continue reading
Google Sheets is a great platform to manage data tables. But are there any easy functions you can use for daily calculations? Find out inside. Continue reading
These days when technologies, markets and customer needs are changing so rapidly, it is critical that you move with trends, and not against them. Trend analysis can help you identify underlying patterns in data movements and project future behavior. Continue reading
After reading this article, you’ll be able to make and edit your own simple Google Sheets formulas. Here you’ll find examples of nested functions and a few tips on how to swiftly copy a formula to other cells. Continue reading
In statistics, there exist many different forecasting techniques and some of these techniques are already implemented in Excel. This tutorial will teach you how to forecast in Excel based on historical data and may help you save money on specialized forecasting software. Continue reading
Today I'm going to bring formulas in Google Sheets to the table. I'll start with the elements they consist of, remind you how they are calculated, and tell a difference between plain and complex formulas. Continue reading
In Microsoft Excel, there are several functions that can help you create linear and exponential smoothing forecasts based on historical data such as sales, budgets, cash flows, stock prices, and the like. Continue reading
Flash Fill is one of the most amazing features of Excel. It grabs a tedious task that would take hours to be performed manually and executes it automatically in a flash. Continue reading
The fastest way to get some specific information about a cell in Excel is to use the CELL function. Among other things, it can tell you whether a cell is protected or not, retrieve the cell address and value, show a full path to the workbook that contains the cell, and a lot more. Continue reading
To create a cell reference in Excel, you can type the column and row coordinates manually. Alternatively, you can get a cell address from the row and column numbers supplied to the ADDRESS function. Continue reading
As simple as it seems, Excel cell reference confuses many users. How is a cell address defined in Excel? What is an absolute and relative reference and when each should be used? In this tutorial, you will find answers to these and many more questions. Continue reading
One of the most useful features of Excel tables are structured references. When you have just stumbled upon a special syntax for referencing tables, it may look boring and confusing, but after experimenting a bit you will surely see how useful and cool this feature is. Continue reading
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
