PPT-Notes #14: Stem Plots What is a Stem Plot?

ANS A Stem and Leaf Plot is a special table where each data value is split into a stem the first digit or digits and a leaf usually the last digit E xample Stem vs Leaf The stem values are listed down and the leaf values go right or left from the stem values . plot in 2D. Plot in 3D. Other possible charts. Engineers: label your plots!. Plots & Polynomial. Plotting. 1. 1. 1. Plots & Charts, overview. Plotting. functions. . plot(), plot3(), polar(), meshgrid(). A double stem and leaf plot, where the stem is in the middle and the leaves are on either side, shows the high temperatures for two cities during the same week. . Find . the measures of . center. . HRP223 – 2009. November 16. th. , 2009 . Copyright © 1999-2009 Leland Stanford Junior University. All rights reserved.. Warning: This presentation is protected by copyright law and international treaties. Unauthorized reproduction of this presentation, or any portion of it, may result in severe civil and criminal penalties and will be prosecuted to maximum extent possible under the law.. KATHARINE HAYHOE. YESTERDAY …. STEP ONE: Opened . the statistical programming package R on your computer. . Follow the instructions so the program knows where to find the directories it will need. . New . planks in an old campaign. Nicholas J. Cox. Department of Geography. 1. Quantile plots. Quantile plots show . ordered . values (raw data, estimates, residuals, whatever) . against . rank . or cumulative probability or a one-to-one function of . Variation between plots treated alike is . always. present. Modern experimental design should:. provide a measure of experimental error variance. reduce experimental error as much as possible. Natural sources of error in field experiments. Histograms,. and . Box Plots. Warm-Up. Joshua, a sophomore at Hoover High School, usually goes to bed around 11:00 p.m. and gets up around 8:00 a.m. to get ready for school. That means that he gets about 9 hours of sleep on a school night. He decided to investigate . What is it?. Stem and leaf plots can be used to display quantitative data in an easy way and is also simple to analyze. It is easier because if you were to just write out the numbers it is much more difficult to analyze the data. . What is it?. Stem and leaf plots can be used to display quantitative data in an easy way and is also simple to analyze. It is easier because if you were to just write out the numbers it is much more difficult to analyze the data. . Computations. Fixed Plot Sampling. Determined by . Value of product(s). Variability within the stand. Budget limitations. Sampling Intensity. Trees in the population are selected with equal probability. , . Gianna. Fazio, Amanda Groff. What is a Scatter plot?. A scatter plot is a graph in which two sets of data are plotted as ordered pairs in a coordinate plane. . When Would You . U. se a Scatter Plot?. Topics. Plot Options (subplots, overlays, legends, . datapoints. ). Polar . Plots. 3D . Plots (plot3, mesh). Textbook Reading Assignments. 5.1-5.9. Practice Problems. Chapter 5 Problems: . 5.49. 1) Plot Options. 5.0. This chapter will cover 2D (two-dimensional) plots. Many options:. Linear, semi-logarithmic, logarithmic axes. Line type, color, thickness. Lots of different data-point markers. Grid lines, titles, text comments, legends. Nicholas J. Cox. Department of Geography. 1. Quantile plots. Quantile plots show . ordered . values (raw data, estimates, residuals, whatever) . against . rank . or cumulative probability or a one-to-one function of .