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assumptions. This document provides a trail about what is known about the project. This allows project “knowns” as well as “unknowns” to be clearly identified. This documentation is important because multiple estimators may be involved on the project; complex projects in particular take years to develop and estimates must be May 28, 2019 · The updated version of this tutorial can be found here: How to consolidate data from multiple worksheets into a single sheet There are many ways to consolidate data in Microsoft Excel. You can use the Table feature and its associated filters to filter a list so it shows only those items you are interested in seeing and you can create ... Cheat Sheet for R and RStudio L. Jason Anastasopoulos April 29, 2013 ... summary(X) - Summary statistics such as mean,median,mode and quartiles for a variable. A five number summary consists of these five statistics: the minimumm, Q1 (the first quartile, or the 25% mark), the median, Q3 (the third quartile, or the 75% mark), the maximum, The five number summary gives you a rough idea about what your data set looks like.