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 Niger-Congo language family is the largest group of Africa (and probably of the world) in terms of the number of languages. One of its salient features is an elaborate noun class system with grammatical concord. The vast majority of languages of this family are tonal such as Yoruba and Igbo.