What is df meaning?

DF can have multiple meanings depending on the context. Here are a few possible meanings:

1. Data Frame: It's a two-dimensional table-like data structure where data is arranged in rows and columns. It's used for data manipulation, data analysis, and data visualization. It's a popular data structure used in programming languages such as Python, R, and Pandas.

2. Degrees of Freedom: In statistics, degrees of freedom refers to the number of values in a final calculation of a statistic that are free to vary. It's a crucial concept in statistical inference and hypothesis testing.

3. Disc Format: It's a type of storage media that stores digital data on a disc-shaped medium. It includes various disc types such as CD, DVD, and Blu-ray.

4. Directory Folder: In computer systems, a directory folder (also known as a folder) is a container for storing files and other directories.

5. Differential Form: In mathematics, a differential form is a mathematical object that assigns a value to each point in space and characterizes how some quantity changes from one point to another. It's used in calculus, physics, and other areas of applied mathematics.