assessment? 2. what is sta/s/cal literacy? how do we increase it among library staff? 3. what does visualiza/on entail? why is it useful? 4. what are some good tools? 5. where can I learn more? 3 libraries + data + visualiza/on // lyrasis ideas & insights // michelle hudson
data + visualiza/on // lyrasis ideas & insights // michelle hudson 4 2 circ counts 3 reference the kind of data you have will determine visualiza/on op/ons
the basic language of sta/s/cs (e.g., knowing what sta/s/cal terms and symbols mean and being able to read sta/s/cal graphs), and understanding fundamental ideas of sta/s/cs (GAISE College Report: hTp://www.amstat.org/educa/on/gaise/) why for librarians? • understanding sta/s/cal methods and frameworks is necessary for making decisions with data libraries + data + visualiza/on // lyrasis ideas & insights // michelle hudson 5
Paulos, John A. Innumeracy: Mathema/cal Illiteracy and Its Consequences. New York: Hill and Wang, 1988. [worldcat] Huff, Darrell, and Irving Geis. How to Lie with Sta/s/cs. New York: Norton, 1954. [worldcat] libraries + data + visualiza/on // lyrasis ideas & insights // michelle hudson 7
Meaning from Data: Sta/s/cs Made Clear, taught by Michael Starbird, PhD hTp://www.thegreatcourses.com/tgc/courses/ Course_Detail.aspx?cid=1487 libraries + data + visualiza/on // lyrasis ideas & insights // michelle hudson 8
abstract data to reinforce human cogni/on (hTp://www.infovis-‐wiki.net) why is it useful? enables the viewer to gain knowledge about the internal structure of the data and causal rela/onships in it libraries + data + visualiza/on // lyrasis ideas & insights // michelle hudson 10
Extreme Presenta/on: Chart Chooser The type of visualiza/on depends on the type of data you have and what you want to learn about it. libraries + data + visualiza/on // lyrasis ideas & insights // michelle hudson 12
by loca/on? compared to last year? by semester? per hour? libraries + data + visualiza/on // lyrasis ideas & insights // michelle hudson 13 2 circ counts by stacks loca/on? by call number? by format? by year of publica/on? 3 reference by /me spent? by type of ques/on? by discipline? by patron type?
(free, data made public) Tableau Public (free, data made public) Google Chart Tools (free, private, for web display, coding knowledge helpful) libraries + data + visualiza/on // lyrasis ideas & insights // michelle hudson 17
(free, data made public) Tableau Public (free, data made public) Google Chart Tools (free, private, for web display, coding knowledge helpful) VIDI (free, private, drupal) libraries + data + visualiza/on // lyrasis ideas & insights // michelle hudson 18
source programming language & environment for crea/ng info visualiza/ons • robust community R • hTp://www.r-‐project.org/ • free soeware environment for sta/s/cal compu/ng & graphics • very large community libraries + data + visualiza/on // lyrasis ideas & insights // michelle hudson 19 SAS, SPSS, STATA proprietary sta/s/cal packages with analysis/visualiza/on capability
Edward Tuee (quan/ta/ve info vis master, teaches courses) Ben Fry Visualising Data (blog, data journalism) hTp://infovis-‐wiki.net UMD HCI Lab libraries + data + visualiza/on // lyrasis ideas & insights // michelle hudson 21 feynman diagrams of photon scaTer