The stacked bar chart stacks bars that represent different groups on top of each other. The height of the resulting bar shows the combined result of the groups. However, stacked bar charts are not suited to datasets where some groups have negative values.
The Bakongo, or the Kongo people (Kongo : âhuntersâ), also referred to as the Congolese, are a Bantu ethnic group who live along the Atlantic coast of Africa from Pointe-Noire (Republic of Congo) to Luanda, Angola. They are primarily defined by the speaking of Kikongo, a common language.he Bakongo, or the Kongo people (Kongo : âhuntersâ), also referred to as the Congolese, are a Bantu ethnic group who live along the Atlantic coast of Africa from Pointe-Noire (Republic of Congo) to Luanda, Angola. They are primarily defined by the speaking of Kikongo, a common language.
This Bantu expansion first introduced Bantu peoples to central, southern, and southeastern Africa, regions they had previously been absent from.ndividual Bantu groups today often include millions of people. Among these are the Luba of the Democratic Republic of the Congo, with over 13.5 million people; the Zulu of South Africa, with over 10 million people; and the Kikuyu of Kenya, with over 6 million people.