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.
Democratic Republic of Congo (DR Congo) is located to the northeast of Angola in Central Africa. The country was formerly known as Zaire. The total area of the country is 2,344,858 km2, and it has a population of 73,599,190 as of July 2012. The countryâs climate is mainly tropical.