## Best Excel Tutorial

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#### How to make heat map in Excel

Creating a heat map in Excel is a great way to visually represent data by color-coding values, making it easier to understand patterns, trends, and outliers in a dataset. Here’s how you can create a heat map using Excel’s Conditional Formatting feature:

#### How to resolve runtime error 9 subscript out of range error

The “Runtime Error 9: Subscript out of range” error in Excel occurs when your Visual Basic for Applications (VBA) code attempts to reference a workbook, worksheet, or other object that doesn’t exist or isn’t available.

This error can be caused by various reasons but often results from referencing an incorrect workbook or sheet name in your VBA code.

#### Using ByVal in VBA

ByVal is more than just a keyword in VBA. It’s a powerful tool that can help you write clean, efficient, and bug-free code. We’ll explain what ByVal means, why it’s important, and how to use it correctly.

#### Calculating Turnaround Time (TAT) in Excel

Turnaround time (TAT) refers to the total time it takes to complete a task or process, from start to finish. In the context of Excel, calculating TAT involves determining the difference between two dates and times in order to determine the duration of an event or process.

#### Creating an S-Curve in Excel

An S-curve, also known as an S-shaped curve or sigmoid curve, is a graphical representation of data that exhibits a characteristic “S” shape. It is commonly used in project management, sales forecasting, and various other fields to visualize the growth or progression of data over time.

In this article, we’ll explore the steps to create an S-curve in Excel.

#### How to perform a Tukey test in Excel

Performing a Tukey test in Excel can be done using the built-in Data Analysis ToolPak add-in, which provides a range of statistical analysis tools. The Tukey test, also known as the Tukey-Kramer test or Tukey’s Honestly Significant Difference (HSD) test, is commonly used for post hoc analysis following an analysis of variance (ANOVA) when you have three or more groups to compare. It helps identify which group(s) differ significantly from others. Here’s how you can perform a Tukey test in Excel:

#### How to Divide in Excel

Dividing numbers in Excel is a fundamental operation that can be performed in various ways, depending on your data structure and what you aim to achieve. Here’s how to divide in Excel using different methods:

#### Performing Polynomial Regression in Excel

Performing polynomial regression in Excel involves fitting a polynomial equation to a set of data points. Unlike linear regression, which is straight-line fitting, polynomial regression fits a curve, making it suitable for more complex relationships between variables. Here’s how you can perform polynomial regression in Excel:

#### Calculate Net Present Value (NPV) in Excel

Calculating the Net Present Value (NPV) in Excel is a common financial analysis task. NPV measures the profitability of an investment by discounting all expected future cash flows to their present value.

Here’s how to calculate NPV in Excel: