Tableau 201: How to Make a What-If Analysis Using Parameters. 17. Tableau 201: How to Make a What-If Analysis Using Parameters. Parameters are one of the most powerful tools available in Tableau for exploring your data and providing interactivity to your end users. The best way to think of parameters is that they act as wildcards.
The United States has invested almost $78 billion in the International Space Station (ISS or Station) over the last 21 years, and going forward, NASA plans to spend between $3 and $4 billion annually to maintain and operate the Station, including transportation for crew and cargo.1 In a May 2014 report,
in recent years many federal projects have had large cost overruns the cost to create the healthcare gov website launched in 2013 grew from $ 464 million to $ 824 million 5 the international space station more than quadrupled in cost from $ 17 billion to $ 74 billionf a government project is initially estimated to cost $ 1 billion it may end up costing $ 2 billion by the time it is finished this essay looks at the causes of cost overruns and examines some of the budget areas that have the most serious problems including defense energy and transportation