1 “... Geographical Information System (GIS) environment as well as demonstrating the user-friendly free software...”

2 “... the free software R....”

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4 “...This textbook provides an introduction to the free software Python and its use for statistical data...”

5 “... distributions. Each chapter ends with a number of carefully chosen exercises. Links to free software...”

6 “..." is free software enabling users to handle vectors, matrices, data frames, and so on. For example, when a...”

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9 “... population methods quite naturally with open population methods. The book is accompanied by free software...”

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