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have a RMarkdown document that I can convert at the command line with Pandoc and the --number-sections switch. The section numbers render 100% in the converted HTML.
However, I want to knit in the R chunks.
When I try and do a Knit to HTML in RStudio on the same file with the YAML header:
the sections numbers are not rendered. What am I doing wrong with the YAML?
Selecting the Knit with parameters option also says there are no parameters, should it not read the YAML header and see them?
Should be an underscore, i.e. number_sections: TRUE. (;
See https://bookdown.org/yihui/rmarkdown/html-document.html
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I'm trying to write a simple file path to my downloads folder on my macbook but I'm getting this error:
filePath <- file.path(Sys.getenv("HOME"), "Downloads")
transactionData <- fread(paste0(filePath,"QVI_transaction_data.csv"))
customerData <- fread(paste0(filePath,"QVI_purchase_behaviour.csv"))
Error in fread(paste0(filePath, "QVI_transaction_data.csv")) :
File '/Users/anitaabbot/DownloadsQVI_transaction_data.csv' does not exist or is non-readable. getwd()=='/Users/anitaabbot/Downloads'
Both files "QVI_transaction_data.csv" and "QVI_purchase_behaviour.csv" are saved in the download folder and so is the .rmd file. So I'm not sure what the problem is. Any ideas?
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I am reading/writing an array to file in Julia. For example:
test_arr=zeros(3,3)
io = open("logs/test","w")
write(io,test_arr)
close(io)
To read the file I do:
load_arr=Array{Float64}(undef,3,3)
io = open("logs/test","w")
read!(io,load_arr)
close(io)
This gives a "read end of file" error.
I am a bit perplexed as this is how I have been writing/reading other arrays to/from binary files without issue. But this time I get an error.
When opening the IOStream again, I think we want a read instead of another write:
io = open("logs/test","r")
For completeness from the comments above, opening a file with just w will truncate the file, so attempting to read from it will lead to an EOF error. More examples of what different modes do can be found here: https://docs.julialang.org/en/v1/base/io-network/#Base.open
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I have an R script where I use the following code:
gspcRets = diff( log( Cl( qxts ) ) )
When i run the script from RStudio everything works fine.However,when i run the script from Terminal with the command:
RScript my_script.R
I get the following error:
Error in Cl(qxts) : could not find function "Cl"
My script loads all the necessary libraries.I assume it has something to do with the fact that my system needs some kind of access to the RStudio environment.Any ideas?
I forgot to load the "quantmod" package.An RStudio's active session continues to use the packages that have been loaded previously even after i used the command:
rm(list=ls(all=TRUE))
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I want to use a function from one script in another script but i either get an erorr or nothing is happend, depend on my code syntax. When i use the source("file_name) i get an erorr, and when i add the if(exists("function_name", mode = "function")) i get nothing..
hope you can help
have a good day
Or
In a different way you can choose your code script file using file.choose (avoiding problems related to the working directory) like this:
source(file.choose())
Terru_theTerror is absolutely right: it looks like there is something wrong with your source folder.
You may check the current name of your working directory with getwd() and check what contains this directory by dir(). If there your source file is placed elsewhere, your should change your current directory or to include the path to your source file by using source():
source_dir_name <- "D:/Work/Sources"
source_file_name <- "file_Name.R"
source_with_path <- paste(source_dir_name,"/", source_file_name, sep = "")
#
setwd(source_dir_name)
source(source_file_name)
# or
source(source_with_path)
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Closed 7 years ago.
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I am using Rmarkdown and knitr in RStudio. I used this code in Rmarkdown and I knit it by knitr but I cannot see the dataset in my console environment.
load(url("http://bit.ly/dasi_gss_data"))
What should I do?
I did this
```{r}
load(url("http://bit.ly/dasi_gss_data"))
table(gss$year)
```
and it worked just fine.
Are you expecting to see gss in your console environment? It won't show there.