Line of code that loads a CSV into a variable named df?

Line of code that loads a CSV into a variable named df?

Df = pd.read_csv(‘file.csv’)

Horizontal entries

rows

vertical fields

columns

single record describing one item

Observation

NaN is what?

Missing or undefined value

What happens when you run df = pd.read_csv(‘file.csv’)

Pandas reads the file and converts it into a DataFrame and assigns it to the variable df so it can be accessed in memory.

List two characteristics of tidy data

Each variable has its own column, each observation has its own row

Why does NaN matter in data analysis

NaN can cause errors and signals missing information that must be handled to avoid misleading results