Getting and cleaning the data

Question Title

* 1. Choose points from list that belongs to unstructured data:

audio.

images.

numbers.

string.

e-mail.

dates.

Question Title

* 2. What is estimated amount of enterprise data is structured?

80 %.

30 %.

20 %.

40 %.

Question Title

* 3. What is results after executing this code len(landslides) in the assignment?

1954.

1693.

675.

1254.

Question Title

* 4. After date parsing in landslides Data Frame, what is minimum date?

2005-02-02 00:00:00.

2009-09-02 13:00:00.

2007-03-01 10:15:00.

2007-03-02 00:00:00.