Session 3 Review

A computer can only understand 1s and 0s.

• True

• False

You can only name the alias of 'pandas' library as 'pd'.

• True

• False

A DataFrame contains 2-dimensional array.

• False

• True

The default view of DataFrame consists of first 5 rows.

• True

• False

An object data type for the field can contain numbers.

• True

• False

Which of the following returns the count of empty values per column in a DataFrame (df)?

• df.null().sum()

• df.isnull().sum()

• df.null.sum()

• df.isnull.sum()

Is the syntax correct for filtering the Country to Philippines?

df[df['Country']=='Philippines']

• True

• False

The 'inplace' argument in pandas DataFrame can replace the assigning of values.

• False

• True

You can have multiple conditions to filter a DataFrame.

• Yes

• No

• It depends

To train a model, it needs to be pre-processed.

• True

• False