Writing Talks & Using Beamer
Contents
1. lt echo TRUE gt gt library alr3 data forbes mi lt 1m Lpres Temp forbes summary m1 coef Produces this gt library alr3 gt data forbes gt m1 lt Im Lpres gt summary m1 coef Temp forbes Estimate Std Error t value Pr gt t Intercept 42 1377793 3 34019890 12 61535 2 175977e 09 Temp 0 8954937 0 01645176 54 43147 1 186078e 18 STAT8801 Univ of Minnesota Writing Talks amp Using Beamer January 25 2010 29 1 31 1 You can use Beamer and Sweave at the same time to use R output in your presentation 0o00 STAT8801 Univ of Minnesota The xtable package outputs data in IAT X format Name your main file myfile Rnw rather than myfile tex Create tex file with R CMD Sweave myfile Rnw or the Sweave sh script found at http cran r project org contrib extra scripts Create pdf file with pdflatex myfile tex View the resulting pdf file with a pdf viewer Links to Sweave documentation on class website Writing Talks amp Using Beamer January 25 2010 30 1 lt lt echo FALSE results tex gt gt library xtable xtable summary m1 coef Produces Estimate Std Error t value Pr gt t Intercept 42 14 3 34 12 62 0 00 Temp 0 90 0 02 54 43 0 00 STAT8801 Univ of Minnesota Writing Talks amp Using Beamer January 25 2010 32 1 gt plot Lpres Temp forbes 5 f Name the section of output for example abiinetm lt lt2. one echo TRUE fig TRUE include TRUE gt gt plot Lpres Temp forbes abline m1 om 6 WwW D lt i creates a file called mystuff1 one pdf because fig TRUE and then automatically prints it in the presentation because include TRUE 3 alertHint When using lattice graphics you must use a command like 23 g P ae sl print xyplot Lpres Temp data forbes p Lo S oO STAT8801 Univ of Minnesota Writing Talks amp Using Beamer January 25 2010 3S il STAT8801 Univ of Minnesota Writing Talks amp Using Beamer January 25 2010 34 1 W lt lt two echo FALSE height 4 width 5 fig TRUE include FALSE gt gt plot Lpres Temp forbes abline m1 140 145 Lpres 135 fi vspace 5in 7 7 T 195 200 205 210 includegraphics width 0 5 textwidth beamer two pdf Temp Can also use nogin option to documentclass so that size is equal to actual size not 80 of width STAT8801 Univ of Minnesota Writing Talks amp Using Beamer January 25 2010 Sl STAT8801 Univ of Minnesota Writing Talks amp Using Beamer January 25 2010 36 1 Imitate other Beamer files when making first presentation Many pictures short phrases o o Simple styles options are generally better Be consistent don t keep changing Beware of gratuitous use of color some people can t see colors STAT8801 Univ of Minnesota Writing Talks amp Using Beamer January 25 20
3. to involve the audience Positive confident enthusiastic Facing the audience make eye contact Check location of room Speak slowly Arrive early Using a microphone is not a sign of personal weakness Meet session chair Be careful with laser pointers hold them steady e Stay whole session Use humor wisely Understand equipment computers projectors microphones Q Use short simple phrases with no filler words like Note that or It is obvious that STAT8801 Univ of Minnesota Writing Talks amp Using Beamer January 25 2010 157 1 STAT8801 Univ of Minnesota Writing Talks amp Using Beamer January 25 2010 16 1 At meetings four to six similar presentations are grouped together into a Apart from classroom teaching using computer presentations is almost single session with a chairperson who runs the session As chair you universal should PowerPoint and pdf using IATEX Arrive early and meet all the speakers e Can look quite good Understand equipment computers projectors microphones Can use hi res graphics animations etc Begin on time with a brief welcome and introduction of the topic Often easy to make handouts Introduce each speaker briefly but try to do more than just name and affiliation But Thank each speaker before introducing the next one Still not universal After all speakers if time permits ask for audience questions and High failu
4. 10 orf ff al Begin your criticism with a compliment Remember this fellow has a lot of time invested in this enterprise and if your are going to get him to change what he is doing you need to convince him that you are on his side Mosteller Tukey and Cochran Statistical Problems of the Kinsey Report January 25 2010 39 1 STAT8801 Univ of Minnesota Writing Talks amp Using Beamer Have full references available Your name the date and contact info should be included Graphs need axis labels and need to be discussed Keep math to a minimum Tabled data should be relevant and properly laid out The beginning of the beamer manual is a good reference for structuring your beamer document Writing Talks amp Using Beamer January 25 2010 38 1 STAT8801 Univ of Minnesota Not so good Your talk was total rubbish Better got lost as soon as you started the technical discussion couldn t follow what you were doing Even better When you set up your model could not follow the notation that was used It would have helped me if you STAT8801 Univ of Minnesota Writing Talks amp Using Beamer January 25 2010 40 1 The Big Picture matters Were important elements of the talk missing Could you summarize what you were told in the talk Was it interesting Details matter j Couldn t hear Bad notation Poor English And so on STAT8
5. 801 Univ of Minnesota Writing Talks amp Using Beamer
6. Writing Talks amp Using Beamer Aaron Rendahl slides by Gary W Oehlert rev S Weisberg School of Statistics University of Minnesota January 25 2010 STAT8801 Univ of Minnesota Ed Tufte says that most important rule of speaking is Respect your audience Who are they Why are they here What do they need to learn from you How much background do they have What do they expect to get What questions might they ask What will they learn from other presenters Writing Talks amp Using Beamer January 25 2010 it ff a STAT8801 Univ of Minnesota Writing Talks amp Using Beamer January 25 2010 Shy a What are we trying to do Academic scientific presentation Results of data analysis Policy management recommendations Teaching or lecture Nobel Prize acceptance speech STAT8801 Univ of Minnesota Writing Talks amp Using Beamer January 25 2010 2 fil Law of Audience Ignorance Someone important in the audience always knows less than you think that everyone should know The audience always wants to know What s in it for me You must address audience objectives or the talk will fail STAT8801 Univ of Minnesota Writing Talks amp Using Beamer January 25 2010 4 1 Assume everyone is busy No need to tell everything you know About one slide overhead per minute STAT8801 Univ of Minnesota Writing Talks amp Using Beamer January 25 2010 ea Approach the talk
7. a G Student date January 22 2008 see man colors on Linux for list of colors definecolor maroon rgb 6902 1882 3765 definecolor sienna rgb 53 31 16 definecolor gold i rgb 1 84314 0000 setbeamercolor frametitle fg maroon bg gold usecolortheme named maroon structure STAT8801 Univ of Minnesota Writing Talks amp Using Beamer January 25 2010 23 1 These slides were prepared with the Beamer package in IATEX KTEXfile mystuff tex on class webpage Fill mystuff tex with Beamer commands pdflatex mystuff tex on Linux produces mystuff pdf Use evince okular or another pdf viewer Links to user manual and other useful documents are on the class web page including advice for Windows STAT8801 Univ of Minnesota Writing Talks amp Using Beamer January 25 2010 2 fA begin document frame titlepage create titlepage frame tableofcontents create table of contents page section Name of first section in table of contents Entries in the table of contents are generated by section commands STAT8801 Univ of Minnesota Writing Talks amp Using Beamer January 25 2010 24 1 begin frame frametitle This is the frame title begin block This is a block title This is the block content end block pause This appears after the pause L E y x beta_O beta_1x alert This is an alert in the alert color end frame STAT8801 Univ of Minnesota Writin
8. g Talks amp Using Beamer Use verbatim for computer output This requires making the frame containsverbatim begin frame containsverbatim frametitle Some computer output This has computer output begin verbatim Coefficients Estimate Std Error t value Pr gt t Intercept 90 9609 37 3532 2 435 0 0289 Pressure 0 7650 0 6608 1 158 0 2664 Lpres 0 6649 0 3859 1 723 0 1069 end verbatim end frame STAT8801 Univ of Minnesota Writing Talks amp Using Beamer January 25 2010 2 1 January 25 2010 25m This is a block title This is the block content This appears after the pause E y x Bo Gx This is an alert in the alert color STAT8801 Univ of Minnesota Writing Talks amp Using Beamer January 25 2010 26 1 This has computer output Coefficients Estimate Std Error t value Pr gt tl Intercept 90 9609 37 3532 2 435 0 0289 Pressure 0 7650 0 6608 1 158 0 2664 Lpres 0 6649 0 3859 1 723 0 1069 STAT8801 Univ of Minnesota Writing Talks amp Using Beamer January 25 2010 28 1 Use itemize description and enumerate environments To include graphics save as pdf or png or others and use for example includegraphics width 8 textwidth mypic pdf You can create pdf graphics in R using the pdf device gt pdf mypic pdf gt plot Y X dataframe gt dev off STAT8801 Univ of Minnesota Writing Talks amp Using Beamer January 25 2010 lt
9. hallenge STAT8801 Univ of Minnesota Writing Talks amp Using Beamer January 25 2010 9 1 STAT8801 Univ of Minnesota Writing Talks amp Using Beamer January 25 2010 10 1 You may decide to vary the order of some of these elements in any talk and you don t need all of them for every talk Summarize and refer back to opener Introduce the problem For the class this should be short because everyone has seen the case study Generally it needs to engage the Link with key points ideas audience Key takeaway message Be ready for questions Objectives What you did Models and Methodology brief Findings and implications Recommendations STAT8801 Univ of Minnesota Writing Talks amp Using Beamer January 25 2010 11 1 STAT8801 Univ of Minnesota Writing Talks amp Using Beamer January 25 2010 12 1 Five things listener wants to know Grammar What is problem and why is it a problem Spelling What has been done about it before Emphasis What is presenter doing about it Repetition What is added value of presenter s approach Examples Where do we go from here bibliographies extra material for use with questions can be helpful Practice Practice Practice and get feedback STAT8801 Univ of Minnesota Writing Talks amp Using Beamer January 25 2010 als i STAT8801 Univ of Minnesota Writing Talks amp Using Beamer January 25 2010 14 1 You should be Try
10. logically Determine the objective goal of talk Analyze the audience you say different things to scientists juries or bus drivers Identify takeaway message build presentation around it Organize your information match content and structure to audience and objective Choose a look for presentation STAT8801 Univ of Minnesota Writing Talks amp Using Beamer January 25 2010 TF ea You must Never speed up You must Know your subject matter You must Know your limitations You must Never blame the audience STAT8801 Univ of Minnesota Writing Talks amp Using Beamer January 25 2010 6 1 This works most of the time Tell them what you are going to say then say it then tell them what you said One Get their attention let them have it then drive it home Set up opening Say it body Repeat and conclude summary Repetition not a vice STAT8801 Univ of Minnesota Writing Talks amp Using Beamer January 25 2010 8 1 The most memorable parts are beginning and end make them work for you Introductions can benefit from Announce your topic clearly and state objective Using an outline of the talk is often recommended but don t do it Personal anecdotes Visual imagery Quotes o o Outline should be understandable by itself Don t need abstract Facts o o Let audience know importance and why they should care Questions C
11. re rate moderate Preparation time End on time Have the audience thank all speakers with applause e Tendency for medium to be message STAT8801 Univ of Minnesota Writing Talks amp Using Beamer January 25 2010 ile fi STAT8801 Univ of Minnesota Writing Talks amp Using Beamer January 25 2010 18 1 PowerPoint is a competent slide manager and projector But rather than supplementing a presentation it has become a substitute for it The presentation needs Ubiquitous Large user base Content Extremely easy to use if no mathematics Stinks at mathematics but Simple logical structure PowerPoint cost money but free versions exist e Appropriate detail Appropriate emphasis Check http www norvig com Gettysburg Does not need fancy animations transitions etc STAT8801 Univ of Minnesota Writing Talks amp Using Beamer January 25 2010 19 1 STAT8801 Univ of Minnesota Writing Talks amp Using Beamer January 25 2010 20 1 Available on most platforms Great at math Great flexibility Mostly academic user base Harder to use beyond basics than PowerPoint beamer and other packages designed to create talks Great flexibility also bad Multimedia much harder STAT8801 Univ of Minnesota documentclass beamer Writing Talks amp Using Beamer January 25 2010 Pal ff usepackage wasysym graphicx pgfpages usetheme Boadilla title Oral Presentation author Im
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