Statistical Inference lab1.pptx

R

A free open-source statistical programming language developed based on the S language.

Statistical Programming Language

A programming language that is used to develop statistical software for data analysis.

R workspace

The environment in R where objects and data are stored and manipulated.

Built-in Functions

Predefined functions in R that perform various operations on objects.

Assignment Operator

The symbol '<-' used in R to assign values to objects.

Vectors

A series of numbers or values in R, created using functions like c(), rep(), or seq().

Data Frames

A collection of vectors organized as a table, where each column can contain different types of data.

Mean

The average value of a dataset, calculated by summing all values and dividing by the number of values.

Median

The middle value of a dataset when it is ordered.

Variance

A measure of how much the values in a dataset vary from the mean.

Standard Deviation (SD)

The square root of the variance, indicating the average distance of data points from the mean.

Naming Convention

Rules for naming objects in R, including starting with a letter and being case-sensitive.