Data Science - Intro to Statistics
Introduction to Statistics
Statistics is the science of analyzing data.
When we have created a model for prediction, we must assess the prediction's reliability.
After all, what is a prediction worth, if we cannot rely on it?
Descriptive Statistics
We will first cover some basic descriptive statistics.
Descriptive statistics summarizes important features of a data set such as:
- Count
- Sum
- Standard Deviation
- Percentile
- Average
- Etc..
It is a good starting point to become familiar with the data.
We can use the describe() function in Python to summarize the data:
Output:
Do you see anything interesting here?
