To the 1000-plus HR professionals worldwide who have shared their frustrations with me about the inability to measure HR activities and who unwittingly contributed to creating the need for me to write this book.

HR software—specific to HR Analytics—is not complicated but is vital. Much of the effective software you need for creating value has been developed and fully supports many of the examples used in this book. Duncan Williamson has worked tirelessly to evolve cheap and effective programs that all run in Excel.

To the many organizations that took part in the “work done” survey so that poor performers could be categorized and their lost performance measured and costed. This vital study is the foundation to differentiation and ...

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