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NASA Risk Matrix Whenever program or project risk is being identified, it is a common practice at NASA, like many other organizations to use a 5 X 5 risk matrix with a green, yellow, red coding for visualization of the risk. Recently a colleague asked for help in visualizing the matrix in Excel. She wanted assistance in pivot tables, sorting, macros and chart building. Stop the insanity. Below is my quick attempt in creating a risk matrix in R. ...

Topic Modeling in R Topic modeling provides an algorithmic solution to managing, organizing and annotating large archival text. The annotations aid you in tasks of information retrieval, classification and corpus exploration Topic models provide a simple way to analyze large volumes of unlabeled text. A “topic” consists of a cluster of words that frequently occur together. Using contextual clues, topic models can connect words with similar meanings and distinguish between uses of words with multiple meanings. ...

Ask any project manager and they will tell you the importance of reviewing lessons learned prior to starting a new project. The lesson learned databases are filled with nuggets of valuable information to help project teams increase the likelihood of project success. Why then do most lesson learned databases go unused by project teams? In my experience they are difficult to search through and require hours of time to review the result set. ...

NASA Datanauts window.FlexDashboardComponents = []; [{"title":"Source Code","icon":"fa-code","href":"source_embed","align":"right"}] /* Dashboard CSS from Keen IO Dashboards (https://github.com/keen/dashboards) */ body { background: #f2f2f2; padding: 60px 0 0 8px; /* padding-top overridden by theme */ } body hr { border-color: #d7d7d7; margin: 10px 0; } .navbar-inverse .navbar-nav li a, . ...