If you understand the definition of a mathematical function, a good way to judge it is that any line drawn parallel to the y-axis intersects with the values in the function’s curve only once. The same ...

Overview: Matplotlib mistakes often come from poor layout, unclear labels, and wrong scale choices, not from the data ...

Properly formatted charts and graphs can help you grasp the patterns and trends hidden within the raw data of an Excel spreadsheet. For example, if you are comparing the stock performance of two ...

Scatter controls let you specify three categories of variables: axes variables. For a scatter plot, at least two axes variables are required : one independent (x) and one dependent (y). For a surface ...

The legend on an Excel scatter plot is simply a list of the names for each of the series on the chart. The legend is color coordinated, so you can quickly determine which data points belong to which ...

In the menu, you select a rotated component scatter plot (Scatter Plot), a rotated component biplot with standardized Y variables (Biplot (Std Y)), or a rotated component biplot with centered Y ...

High-dimensional data pose a significant analytical and representational challenge. One instinctual response has been to represent data in three-dimensional (3D) space in order to capture additional ...

Linear regression is a powerful and long-established statistical tool that is commonly used across applied sciences, economics and many other fields. Linear regression considers the relationship ...

Extracting insight from unstructured information is nothing new for Bloomberg. Every day Bloomberg uses automated systems to pull data from Word documents, PDFs, paragraphs of text, and tables.