A user has data of different projects which are in different timestamps. Now he wants to build a 60 min time buckets of every event present in the data.How to do that?

For doing this we have to select a dataframe for selecting rows and columns. A data frame is a structure having 2 dimensions which contains data in the form of rows and columns. It can be a spreadsheet data and can be represented in the form of tables or dictionaries of series.

In R, let us read a built in dataset which is iris dataset.It contains the followng attributes

Sepal Length

Sepal width

Petal length

Petal width

Based on the following attributes are considered which is the Species.