[R] ReadItem: Error

[Jeff Reichman]

> infoRDS("climate_raster.rds")
$version
[1] 2

$writer_version
[1] "3.5.0"

$min_reader_version
[1] "2.3.0"

$format
[1] "xdr"

-----Original Message-----
From: Bert Gunter <bgunter.4567 using gmail.com> 
Sent: Saturday, September 18, 2021 11:40 AM
To: reichmanj using sbcglobal.net
Cc: R-help <R-help using r-project.org>
Subject: Re: [R] ReadItem: Error

Did you try infoRDS() ?  It **may** tell you something useful, though it cannot tell you whether the file is corrupted or not. If you post its results here, someone **may** be able to tell you something informative.

That's all I got.

Bert Gunter

"The trouble with having an open mind is that people keep coming along and sticking things into it."
-- Opus (aka Berkeley Breathed in his "Bloom County" comic strip )

On Sat, Sep 18, 2021 at 9:00 AM Jeff Reichman <reichmanj using sbcglobal.net> wrote:
>
> Anyone see what I might be doing wrong? Corrupted rds file maybe. The 
> error would suggest I'm using an older version of R except I'm running 
> both the latest RStudio and R versions.
>
> # Load in the tidyverse, raster, and sf packages
> library(tidyverse)
> library(raster)
> library(sf)
>
> # Read the climate data from an rds file climate <- 
> readRDS("Datasets/climate_raster.rds")
>
> # Have a look at the variables in the climate data
> colnames(climate)
>
> # Convert to SpatialPixelDataFrame for plotting climate_df <- mutate(
>   .data = climate,
>   rasters = map(
>     .x = rasters,
>     ~ as_tibble(as(.x, "SpatialPixelsDataFrame")))) %>%
>   unnest(cols = c(rasters))
>
> > climate <- readRDS("Datasets/climate_raster.rds")
> Error in readRDS("Datasets/climate_raster.rds") :
>   ReadItem: unknown type 0, perhaps written by later version of R
>
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