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.
The Tsonga people â consisting of the Shangaan, Tonga, Thonga and smaller groups â are spread throughout southern Africa, numbering in excess of six million in Mozambique, Zimbabwe and South Africa, where they live mainly in Limpopo, Mpumalanga and northern KwaZulu-Natal.Did you.arge groups of Tsonga then moved inland, to settle in what is today Limpopo and Mpumalanga. Another group, the Tsonga-Shangaan, remained strong in Mozambique and northern KwaZulu-Natal.