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update vignette sf2 #2582

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0ea6409
update vignette sf2
kadyb Jan 26, 2026
5677dc4
remove duplicate
kadyb Jan 26, 2026
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2 changes: 1 addition & 1 deletion R/read.R
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Original file line number Diff line number Diff line change
Expand Up @@ -50,7 +50,7 @@ set_utf8 = function(x) {
#' @param promote_to_multi logical; in case of a mix of Point and MultiPoint, or
#' of LineString and MultiLineString, or of Polygon and MultiPolygon, convert
#' all to the Multi variety; defaults to \code{TRUE}
#' @param stringsAsFactors logical; logical: should character vectors be
#' @param stringsAsFactors logical; should character vectors be
#' converted to factors? Default for \code{read_sf} or R version >= 4.1.0 is
#' \code{FALSE}, for \code{st_read} and R version < 4.1.0 equal to
#' \code{default.stringsAsFactors()}
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10 changes: 5 additions & 5 deletions vignettes/sf2.Rmd
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Expand Up @@ -119,18 +119,18 @@ of the datasource, by trying them all in turn.

`st_read()` follows the conventions of base R, similar to how it
reads tabular data into `data.frame`s. This means that character
data are read, by default as `factor`s. For those who insist
on retrieving character data as character vectors, the argument
`stringsAsFactors` can be set to `FALSE`:
data are read as `character` vectors by default (since R 4.1.0).
For those who insist on retrieving character data as `factor`s,
the argument `stringsAsFactors` can be set to `TRUE`:

```{r eval=FALSE}
st_read(fname, stringsAsFactors = FALSE)
st_read(fname, stringsAsFactors = TRUE)
```

Alternatively, a user can set the global option `stringsAsFactors`, and this will have the same effect:

```{r}
options(stringsAsFactors = FALSE)
options(stringsAsFactors = TRUE)
st_read(fname)
```

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