Rscripts_datahandling.md

Rscripts for Data Handling

Importing datasets in R

what are dummy datasets in R? lets explore......

> data()

selecting ToothGrowth as the dataset of choice and viewing its parameters

> ?ToothGrowth
> head(ToothGrowth)
> head(ToothGrowth[1:10, 1:3])
> head(ToothGrowth[1:4, 1:2])

class() function tells about the type of dataset used dim() function is used to view the dimensions of a dataframe head() function is used to view first few lines of the dataframe you want to view head(<dataframe>[rows, columns]) by default the head() throws 6 rows along with some cols. of a dataframe, this is evident from the above attached snippet, the number of rows that can be viewed using head() is maximum by 6 and minimum number can be your choice. Since the dataframe has just three columns