need help, really! There is data:
id period goods group of goods revenue
123 201801 apples fruit 65 rub
123 201802 apples fruit 21 rub
124 201801 cherry fruit 10 rub
127 201803 carrots vegetables 9 rub
129 201803 potato vegetables 4 rub
129 201801 potato vegetables 1 rub ...
It is necessary to reduce them to this form:
id Product Group 201801 201802 201803 ...
123 apples fruit 65 rub ...
124 cherry fruit ...
127 carrots vegetables ...
129 potato vegetables ...
