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Methods and classes for maintaining and interacting with a database of presentations
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semnar

semnar provides methods for constructing and maintaining a database of presentations in R. The presentations are either ones that the user gives or gave or presentations at a particular event or event series. semnar also provides methods for the interactive mapping of the presentations using leaflet by grouping them according to country, city, year and other presentation attributes (see ?plot.semnar). The markers on the map come with popups providing presentation details (title, institution, event, links to materials and events, and so on).

Installation

You can install the development version from GitHub with:

# install.packages("devtools")
devtools::install_github("ikosmidis/semnar")

and the released version with:

install.packages("semnar")

Presentation databases

add_presentation is the main function for constructing and maintaining a data base of presentations. For example, below I record the details of a recent presentation I gave to the PhD students and PostDocs at University of Warwick on workflows and task management:

library("semnar")
IK_talks <- add_presentation(country = "England",
                             city = "Coventry",
                             lon = -1.560843, lat = 52.384019,
                             event = "Young Researchers' Meeting",
                             title = "A workflow that most probably isn't yours",
                             link = "https://warwick.ac.uk/fac/sci/statistics/news/yrm/",
                             materials = "http://ikosmidis.com/files/ikosmidis_YRM_2019.pdf",
                             type = "presentation",
                             institution = "University of Warwick",
                             department = "Department of Statistics",
                             venue = "Mathematical Sciences Building",
                             room = "M1.02",
                             year = 2019, month = 5, day = 28,
                             start_hour = 16, start_min = 00,
                             end_hour = 17, end_min = 00)

IK_talks is now a structured data.frame that also inherits from class semnar, including the supplied presentation details.

str(IK_talks)
#> Classes 'semnar' and 'data.frame':   1 obs. of  28 variables:
#>  $ country              : chr "England"
#>  $ city                 : chr "Coventry"
#>  $ state                : logi NA
#>  $ lon                  : num -1.56
#>  $ lat                  : num 52.4
#>  $ event                : chr "Young Researchers' Meeting"
#>  $ presenter_name       : logi NA
#>  $ presenter_midname    : logi NA
#>  $ presenter_surname    : logi NA
#>  $ presenter_affiliation: logi NA
#>  $ presenter_link       : logi NA
#>  $ presenter_email      : logi NA
#>  $ presenter_address    : logi NA
#>  $ title                : chr "A workflow that most probably isn't yours"
#>  $ link                 : chr "https://warwick.ac.uk/fac/sci/statistics/news/yrm/"
#>  $ materials            : chr "http://ikosmidis.com/files/ikosmidis_YRM_2019.pdf"
#>  $ abstract             : logi NA
#>  $ venue                : chr "Mathematical Sciences Building"
#>  $ address              : logi NA
#>  $ postcode             : logi NA
#>  $ institution          : chr "University of Warwick"
#>  $ department           : chr "Department of Statistics"
#>  $ school               : logi NA
#>  $ type                 : chr "presentation"
#>  $ room                 : chr "M1.02"
#>  $ start                : POSIXct, format: "2019-05-28 16:00:00"
#>  $ end                  : POSIXct, format: "2019-05-28 17:00:00"
#>  $ tag                  : logi NA

I can then add another presentation, conveniently, by piping IK_talks forward into add_presentation using magrittr’s %>% operator:

library("magrittr")
IK_talks <- IK_talks %>%
    add_presentation(country = "United States", city = "Stanford",
                     lon = -122.165330, lat = 37.429464,
                     event = "useR! 2016",
                     title = "brglm: Reduced-bias inference in generalized linear models",
                     link = "http://user2016.r-project.org//files/abs-book.pdf",
                     materials = "https://bit.ly/2KCBbKg",
                     type = "presentation", institution = NA, department = NA,
                     venue = "Stanford Institute for Economic Policy Research",
                     room = "Siepr 120",
                     year = 2016, month = 06, day = 29,
                     start_hour = 14, start_min = 15,
                     end_hour = 14, end_min = 35)

add_presentation provides many arguments (see ?add_presentation) to cover as much detail as I could think of relevant to a presentation.

Mapping

The details in the database can be mapped using leaflet:

plot(IK_talks, group = "year",
     title = "<a href='https://cran.r-project.org/package=semnar'>semnar</a> map")

See ?plot.semnar for the customization options plot.semnar provides, and my talks page for a live version with talks I gave in the last few years…

Interaction with other tools

jsonlite can be directly used to export the semnar databases into json files, ready to use in other software:

library("jsonlite")
toJSON(IK_talks)
#> [{"country":"England","city":"Coventry","lon":-1.5608,"lat":52.384,"event":"Young Researchers' Meeting","title":"A workflow that most probably isn't yours","link":"https://warwick.ac.uk/fac/sci/statistics/news/yrm/","materials":"http://ikosmidis.com/files/ikosmidis_YRM_2019.pdf","venue":"Mathematical Sciences Building","institution":"University of Warwick","department":"Department of Statistics","type":"presentation","room":"M1.02","start":"2019-05-28 16:00:00","end":"2019-05-28 17:00:00"},{"country":"United States","city":"Stanford","lon":-122.1653,"lat":37.4295,"event":"useR! 2016","title":"brglm: Reduced-bias inference in generalized linear models","link":"http://user2016.r-project.org//files/abs-book.pdf","materials":"https://bit.ly/2KCBbKg","venue":"Stanford Institute for Economic Policy Research","type":"presentation","room":"Siepr 120","start":"2016-06-29 14:15:00","end":"2016-06-29 14:35:00"}]

Code of Conduct

Please note that this project is released with a Contributor Code of Conduct. By participating in this project you agree to abide by its terms.

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