cols='sex'aggfunc='sum'in [ ]table table div(table sum( )axis= in [ ]table tail(out[ ]sex year nan nan nan nan nan lastlyit' now easy to make plot of the breakdown by sex over time (figure - )in [ ]table plot(style={' '' -'' '' --'}figure - proportion of male/female lesley-like names over time conclusions and the path ahead the examples in this are rather simplebut they're here to give you bit of flavor of what sorts of things you can expect in the upcoming the focus of this book is on tools as opposed to presenting more sophisticated analytical methods mastering the techniques in this book will enable you to implement your own analyses (assuming you know what you want to do!in short order conclusions and the path ahead www it-ebooks info