Statistical Learning 1

What is Qualitative Data?

• Consist of a subset of the population.

• Consist of numerical measurements or counts.

• Consist of attributes, labels, or nonnumerical entries.

What is Quantitative Data?

• Consist of a subset of the population.

• Consist of numerical measurements or counts.

• Consist of attributes, labels, or nonnumerical entries.

The science of collecting, describing, and interpreting data.

• Sample

• Probability

• Variable

• Statistic

What are the different types of statistics?

• Descriptive and Inferential Statistics

• Causal and Inferential Statistics

• Prescriptive and Inferential Statistics

• Descriptive and Prescriptive Statistics

Statistical learning refers to a vast set of tools for

Supervised learning refers to

• Using labeled inputs and outputs,

• with a corresponding set of labels

• classifying data or predicting outcomes

• analyze and cluster unlabeled data sets

three main tasks of clustering are

• grouping unlabeled data based on their similarities or differences

• find relationships between variables in a given dataset

• reduces the number of data inputs to a manageable size

• Using labeled inputs and outputs

in wage dataset, there are year, age, race and more. Those are named as variable

• True

• False

Calculate the product of the following matrix:

For example, if matrix A is given, what would be the result?

What is the A transpose