Add the argument mode="wb" to your call to download.file(). On Windows
this means to use 'binary' format - do not change line endings.
Bill Dunlap
TIBCO Software
wdunlap tibco.com
On Fri, Mar 27, 2015 at 7:25 AM, Giles Crane <gilescr...@verizon.net> wrote:
>
> # download.file() Seems to put the xlsx file onto hard drive.
>
> >download.file("
> http://www.udel.edu/johnmack/data_library/zipcode_centroids.xlsx";,
> "zipcode_centroids.xlsx")
> trying URL '
> http://www.udel.edu/johnmack/data_library/zipcode_centroids.xlsx'
> Content type
> 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet' length
> 2785832 bytes (2.7 Mb)
> opened URL
> downloaded 2.7 Mb
>
>
> # Trouble reading file with xlsx.
>
> library(xlsx)
> Loading required package: rJava
> Loading required package: xlsxjars
> Warning messages:
> 1: package ‘xlsx’ was built under R version 3.1.3
> 2: package ‘rJava’ was built under R version 3.1.3
>
> >df <- read.xlsx2("zipcode_centroids.xlsx", sheetIndex=1)
> Error in .jcall("RJavaTools", "Ljava/lang/Object;", "invokeMethod", cl, :
> java.util.zip.ZipException: invalid entry size (expected 1168 but got
> 1173 bytes)
>
>
> # I downloaded the file manually (same name) from the web page and tried
> again.
> # Then I read the file into R with xlsx successfully.
>
>
> >df <- read.xlsx2("/zipdist/zipcode_centroids.xlsx", sheetIndex=1)
> >str(df)
> 'data.frame': 42961 obs. of 8 variables:
> $ ZIPCODE : Factor w/ 42961 levels "01001","01002",..: 1 2 3 4 5 6 7 8
> 9 10 ...
> $ TOWN. : Factor w/ 18955 levels "Aaronsburg","Abbeville",..: 85 333
> 333 333 898 1089 1459 1620 1899 2929 ...
> $ STATE : Factor w/ 52 levels "AK","AL","AR",..: 21 21 21 21 21 21 21
> 21 21 21 ...
> $ LATITUDE : Factor w/ 37352 levels "-7.209975","19.101978",..: 28020
> 28948 28916 28971 29047 28624 28326 28418 28197 28603 ...
> $ LONGITUDE: Factor w/ 37241 levels "-100.00991","-100.02632",..: 8799
> 8706 8811 8715 8470 8639 9019 8608 8531 9065 ...
> $ STFIPS : Factor w/ 51 levels "01","02","04",..: 22 22 22 22 22 22 22
> 22 22 22 ...
> $ CD : Factor w/ 55 levels "00","01","02",..: 3 2 2 2 2 2 2 3 3 2
> ...
> $ CONG_DIST: Factor w/ 436 levels "01_01","01_02",..: 191 190 190 190
> 190 190 190 191 191 190 ...
>
> # Is there a problem with download.file() when file is an Excel file or
> this particular Excel file?
>
> --
> Giles L Crane, MPH, ASA, NJPHA
> Statistical Consultant and R Instructor
> 621 Lake Drive
> Princeton, NJ 08540
> Phone: 609 924-0971
> Email: gilescr...@verizon.net
>
>
> [[alternative HTML version deleted]]
>
> ______________________________________________
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> and provide commented, minimal, self-contained, reproducible code.
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