I am trying to use the library"tximportData" to read in data produced from salmon (quant_sf files). However I am getting an error message saying function tximport could not be found. I was firstly just using the package example:
library("tximportData")
library("readr")
### test from package
dir <- system.file("extdata", package="tximportData")
samples <- read.table(file.path(dir,"samples.txt"), header=TRUE)
files <- file.path(dir,"salmon", samples$run, "quant.sf")
names(files) <- paste0("sample",1:6)
# tx2gene links transcript IDs to gene IDs for summarization
tx2gene <- read.csv(file.path(dir, "tx2gene.csv"))
head(tx2gene)
txi <- tximport(files, type="salmon", tx2gene=tx2gene)
Error in tximport(files, type = "salmon", tx2gene = tx2gene) :
could not find function "tximport"
> sessionInfo()
R version 3.4.0 (2017-04-21)
Platform: x86_64-apple-darwin15.6.0 (64-bit)
Running under: OS X El Capitan 10.11.6
Matrix products: default
BLAS: /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libBLAS.dylib
LAPACK: /Library/Frameworks/R.framework/Versions/3.4/Resources/lib/libRlapack.dylib
locale:
[1] en_AU.UTF-8/en_AU.UTF-8/en_AU.UTF-8/C/en_AU.UTF-8/en_AU.UTF-8
attached base packages:
[1] stats graphics grDevices utils datasets methods base
other attached packages:
[1] BiocInstaller_1.28.0 readr_1.1.1 tximportData_1.6.0
loaded via a namespace (and not attached):
[1] compiler_3.4.0 R6_2.2.2 hms_0.4.1 tools_3.4.0 pillar_1.2.0 tibble_1.4.2 Rcpp_0.12.15 pkgconfig_2.0.1
[9] rlang_0.2.0
