useR_2008_abstracts: useR! 2008 Abstracts

In movMF: Mixtures of von Mises-Fisher Distributions

useR! 2008 Abstracts

Description

Abstracts and some metadata for presentations at the useR! 2008 conference held August 12-14, 2008 at Technische Universität Dortmund, Germany.

Usage

data("useR_2008_abstracts")

Format

A data frame with 177 observations on the following 5 character variables.

Abstract:

the text of the abstract.

Title:

the title of the presentation.

Author:

the authors of the presentation, collapsed with ‘⁠ and ⁠’.

Session:

an identifier indicating the session the presentation was slotted into (leading ‘⁠foc⁠’ and ‘⁠kal⁠’ indicate useR! Focus and useR! Kaleidoscope sections, respectively).

Keywords:

keywords for the presentation, collapsed with ‘⁠, ⁠’.

Details

Abstracts were obtained in PDF format from https://www.r-project.org/conferences/useR-2008/abstracts/, converted to text using pdftotext, and hand-edited. Metadata were provided by the conference organizers.

Examples

data("useR_2008_abstracts")

words <-
    with(useR_2008_abstracts,
         strsplit(Abstract, "[[:space:]]+"))
## (A poor word tokenizer ...)
n_of_words <- sapply(words, length)

authors <-
    with(useR_2008_abstracts,
         strsplit(Author, " and ", fixed = TRUE))
n_of_authors <- sapply(authors, length)

## Do more authors write longer abstracts?
boxplot(n_of_words ~ n_of_authors)

## Session structure:
sessions <-
    with(useR_2008_abstracts,
         sub("-[[:digit:]].*", "", Session))
sort(unique(sessions))    
## Numbers of focus, invited and kaleidoscope presentations:
table(sub("-.*", "", sessions))

movMF documentation built on May 29, 2024, 12:01 p.m.