importing cafe csv file

used missing value node to check if there are any missing values in the data . Replaced the missing vales with fixed value(unknown) for items,quantity,payment method. for loaction used not specified and for transaction fixed value(no date)

used duplicate row filter for checking the duplicated in the dataset

used this node to check the statitical view of the data

used this node to check bar chart of transaction date

used this node to check bar chart of items

used this node to check barchart of payment method

used to check the numbers of items sold in day using the transaction date

used this node to check bar chart of location

creating conditional logic like café popular category as “topsale/lowsale”

used this node to check between the items and location

scatterplot of the data

used this node to remove the unwanted columns

create new column to calculate the sales by using ( quantity*price per unit )

bar chart of the data