How do i change indexing values

How do i change indexing values

[KSSV]

What is your question? Don't attach code snippets as images.

[Jan]

@Blair: Your screenshot does not even contain the question.

Answer 1

[Rik]

Just a pure guess:

attendenceValues(1:3)=attendenceValues(2:4);

This will remove the first entry and replicate the last (by copying the last three to the first three positions).

You're making it really difficult to help you.