Hi, thanks for all your suggestions! @Eric: unfortunately readcsv and readtable give me the same situation as readdlm.
@Milan: thanks for the suggestion. Just created it: https://github.com/milktrader/Quandl.jl/issues/91 Best, Charles On 5 December 2015 at 23:07, Milan Bouchet-Valat <[email protected]> wrote: > Le vendredi 04 décembre 2015 à 23:47 +0100, Charles Novaes de Santana a > écrit : > > Hi people, > > > > Maybe it is a trivial question for most of you, but I really could > > not find a way to solve my problem. > > > > I am using the function quandlget(id::ASCIIString) from the library > > https://github.com/milktrader/Quandl.jl (a great contribution, by the > > way!) > > > > Everything works fine when I use it in a straightforward way: > > > > julia> mydat = quandl("GOOG/NASDAQ_GOOG",rows=100,format="DataFrame") > > 100x6 DataFrames.DataFrame > > | Row | Date | Open | High | Low | Close | Volume | > > |-----|------------|--------|--------|--------|--------|-----------| > > | 1 | 2015-07-08 | 521.05 | 522.73 | 516.11 | 516.83 | 1.2967e6 | > > | 2 | 2015-07-09 | 523.12 | 523.77 | 520.35 | 520.68 | 1.84235e6 | > > | 3 | 2015-07-10 | 526.29 | 532.56 | 525.55 | 530.13 | 1.95668e6 | > > > > > > or when I do: > > > > julia> myid = "GOOG/NASDAQ_GOOG" > > "GOOG/NASDAQ_GOOG" > > > > julia> typeof(myid) > > ASCIIString > > > > julia> mydat = quandl(myid,rows=100,format="DataFrame") > > 100x6 DataFrames.DataFrame > > | Row | Date | Open | High | Low | Close | Volume | > > |-----|------------|--------|--------|--------|--------|-----------| > > | 1 | 2015-07-08 | 521.05 | 522.73 | 516.11 | 516.83 | 1.2967e6 | > > | 2 | 2015-07-09 | 523.12 | 523.77 | 520.35 | 520.68 | 1.84235e6 | > > | 3 | 2015-07-10 | 526.29 | 532.56 | 525.55 | 530.13 | 1.95668e6 | > > > > > > However, I get an error when I read my data from an external file. > > Assume I have an ascii file containing only one line: > > > > $ echo "GOOG/NASDAQ_GOOG" > portfolio.txt > > > > $ cat portfolio.txt > > GOOG/NASDAQ_GOOG > > > > > > I just read the content of this file by using readdlm and try to use > > it to call the same function quandl, but it does not work. > > > > julia> myportfolio = readdlm("./portfolio.txt",'\n') > > 1x1 Array{Any,2}: > > "GOOG/NASDAQ_GOOG" > > > > julia> typeof(myportfolio[1]) > > SubString{ASCIIString} > > > > julia> mydat = quandl(myportfolio[1],rows=100,format="DataFrame") > > ERROR: MethodError: `quandlget` has no method matching > > quandlget(::SubString{ASCIIString}) > Though the other posts give good solutions to your problem, you could > also file an issue against Quandl.jl to change quandlget() to accept > any AbstractString, and not only ASCIIString. That would be helpful in > legitimate cases. > > > Regards > > > I suppose the easiest way to solve this problem is to convert my > > SubString{ASCIIString} variable to ASCIIString. Am I right here? How > > can I do it? > > > > Does any of you have another suggestion? May be I could read my data > > in a different way instead of using readdlm? > > > > Thanks for any tip! > > > > best, > > > > Charles > > -- > > Um axé! :) > > > > -- > > Charles Novaes de Santana, PhD > > http://www.imedea.uib-csic.es/~charles > -- Um axé! :) -- Charles Novaes de Santana, PhD http://www.imedea.uib-csic.es/~charles
