It's early and I didn't finish my first cup of coffee yet, so forgive the
typo :)
julia> myportfolio
1x1 Array{Any,2}:
"GOOG/NASDAQ_GOOG"
julia> myportfolio[1,1]
"GOOG/NASDAQ_GOOG"
julia> typeof(myportfolio[1,1])
ASCIIString
On Saturday, December 5, 2015 at 8:38:05 AM UTC+8, Eric Forgy wrote:
>
> Hi Charles,
>
> myportfolio is a Matrix, i.e. Array{Any,2}, so you need two indices to
> access it:
>
> julia> myportfolio
> 1x1 Array{Any,2}:
> "GOOG/NASDAQ_GOOD"
>
> julia> myportfolio[1,1]
> "GOOG/NASDAQ_GOOD"
>
> julia> typeof(myportfolio[1,1])
> ASCIIString
>
> Best regards,
> Eric
>
> On Saturday, December 5, 2015 at 6:59:41 AM UTC+8, Charles Santana wrote:
>>
>> wow! That simple! Yes it works!
>>
>> Thanks, Seth!
>>
>> Charles
>>
>> On 4 December 2015 at 23:53, Seth <[email protected]> wrote:
>>
>>> Maybe this will work for you?
>>>
>>> julia> a = "foobarbaz"
>>> "foobarbaz"
>>>
>>> julia> b = SubString(a,3,6)
>>> "obar"
>>>
>>> julia> typeof(b)
>>> SubString{ASCIIString}
>>>
>>> julia> c = ASCIIString(b)
>>> "obar"
>>>
>>> julia> typeof(c)
>>> ASCIIString
>>>
>>>
>>>
>>> On Friday, December 4, 2015 at 2:48:12 PM UTC-8, Charles Santana wrote:
>>>>
>>>> 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})
>>>>
>>>>
>>>> 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
>>
>
