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,
Nov 20, 1998. The first component of the $60 billion International Space Station (ISS) was launched from Baikonur Cosmodrome in Kazakstan a few hours ago after a delay of almost a year. The $200 m Zarya cargo module forms the initial propulsion system and command base for the new space station.