The number of observation in the dataset is given by :
The dataframe is a way of representing data in table format in other to aid analysis using programming techniques such as python or R.
The number of observations which a dataset has refers to the number of rows in the data frame while the number of variables refers to the number of columns in the dataframe.
Using pandas library in python.
The number of rows in a dataframe can be obtained thus :
Assume the data has been loaded into a dataframe called df;
Using the shape method on the dataframe gives the row and column numbers ;
df.shape gives [number of rows, number of columns]
In R :
Number of rows = nrow(df)
Number of columns = ncols(df)
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