[R] build a literature database

[Koenker, Roger W]

You might also want to take a look at this survey:  https://ropensci.org/technotes/2020/05/07/rmd-citations/

> On Nov 4, 2020, at 9:22 AM, John <miaojpm using gmail.com> wrote:
> 
> Hi,
> 
>   I 'd like to create a table for literature review. Is there any good
> data structure (database) I may use? Now I just use a simple dataframe as
> follows, but in the second item I swap the order of year and author, and it
> records 2013 as author and "XH" as year.  Is there any better structure ?
> If not, how may I fix the current condition?Thanks!
> 
> 
> df <- data.frame(author = NA, year = NA, title = NA, country = NA, sample =
> NA, data = NA, result = NA, note = NA, stringsAsFactors=FALSE)
> df[1, ]<-c(
>           author = "Moore",
>           year = 2020,
>           title = "Statistics and data analysis",
>           country = "Colombia",
>           sample = NA,
>           data = "firm level",
>           result = NA,
>           note = NA)
> 
> df[nrow(df)+1,]<- c(year = 2013,
>                    author = "XH",
>                    title = NA,
>                    country = NA,
>                    sample = NA,
>                    data = NA,
>                    result = NA,
>                    note = NA)
> 
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