Finding quantiles in r

    • [PDF File]R color cheatsheet - National Center for Ecological ...

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      R has 657 built in color names To see a list of names: colors() These colors are displayed on P. 3. R color cheatsheet Finding a good color scheme for presenting data can be challenging. This color cheatsheet will help! R uses hexadecimal to represent colors Hexadecimal is a base-16 number system used to describe color.


    • [PDF File]Fitting distributions with R

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      Fitting distributions with R 3 1.0 Introduction Fitting distributions consists in finding a mathematical function which represents in a good way a statistical variable. A statistician often is facing with this problem: he has some observations of a quantitative character x 1, x 2,… x


    • Finding Confidence Intervals with R

      Finding Confidence Intervals with R Data Suppose we’ve collected a random sample of 10 recently graduated students and asked them what their annual salary is. Imagine that this is the data we see: > x [1] 44617 7066 17594 2726 1178 18898 5033 37151 4514 4000 Goal: Estimate the mean salary of all recently graduated students. Find a 90% and a 95%


    • [PDF File]Restricted Cubic Spline Regression: A Brief Introduction

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      variable, finding a transformation that produces a linear relationship. Another alternative is to use a ... avoid this, restricted cubic splines are used. A r estricted cubic spline is a cubic spline in which the splines ... knots are prespecified based on the quantiles …


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