Nobody had time to integrate it anywhere. A pull request would help move things forward.
-- John On May 22, 2014, at 11:57 AM, Bob Nnamtrop <[email protected]> wrote: > OK. Thanks. That is helpful. > > Any reason why that page is not shown in the documentation given in the link > on the front page. > > > On Thu, May 22, 2014 at 11:46 AM, John Myles White <[email protected]> > wrote: > head and tail don't actually print anything: they just give you a subset of a > DataFrame. So you're seeing the usual show method's output, which can be > overriden by explicitly requesting that you see the whole DataFrame. See > > https://github.com/JuliaStats/DataFrames.jl/blob/master/spec/show.md > > -- John > > On May 22, 2014, at 10:44 AM, Bob Nnamtrop <[email protected]> wrote: > >> An issue I noticed with Dataframes recently is that head(df) and tail(df) >> both list the show(df) summary (like those above) instead of listing the top >> and bottom of the dataframe. I just started using dataframes so I have no >> idea what they did in the past but it seems they should list the df and not >> the summary. >> >> Also, are there any other handy ways to list the df in the repl? >> >> Bob >> >> >> On Thu, May 22, 2014 at 11:39 AM, Rob J. Goedman <[email protected]> wrote: >> Thanks John. >> >> I should have filed it as an issue on DataFrames.jl but initially thought it >> could deeper than that. >> >> For now in Stan.jl I've included a 'small' cleanup step. Small for say 1000 >> samples, a bit bigger for 100000 samples. >> >> Like you mentioned earlier, for years I've been using >> file-out-file-in-communication for Jags and other programs (Finite Elements) >> and was quite ok with it because sampling and FE iterations dominated the >> time to complete. >> >> FOFI really only became an issue when I had to adjust values in between each >> of hundreds of runs (e.g. a stiffness matrix in FEM when dealing with >> buckling). >> >> Rob J. Goedman >> [email protected] >> >> >> >> >> On May 22, 2014, at 10:16 AM, John Myles White <[email protected]> >> wrote: >> >>> I need to find time to look into this, but could someone try a git bisect >>> and see if some of the metaprogramming changes we made to readtable caused >>> this? It might be that this file would have never worked, but if it once >>> did, it would be good to point out the problematic code. >>> >>> — John >>> >>> On May 20, 2014, at 7:53 PM, Rob J. Goedman <[email protected]> wrote: >>> >>>> Actually, another way to make it work is removing the blank line. Below >>>> little program shows that readtable() accepts test_df1 and test_df2, but >>>> fails on test_df3. >>>> >>>> Also, the fact that it started to happen today had nothing todo with Julia >>>> or DataFrame updates. The file is created by Stan and the latest version >>>> inserts that blank line. >>>> >>>> Of course I could clean up the file, but maybe this is an issue in >>>> DataFrame's readtable function? >>>> >>>> Apologies for the earlier incomplete report. >>>> >>>> Rob J. Goedman >>>> [email protected] >>>> >>>> >>>> <test_df.jl><test_df1.csv> >>>> <test_df2.csv> >>>> <test_df3.csv> >>>> >>>> >>>> julia> >>>> include("/Users/rob/.julia/v0.3/MCMCExampleRepository/test/test_df.jl") >>>> 4x10 DataFrame >>>> |-------|---------------|---------|---------| >>>> | Col # | Name | Eltype | Missing | >>>> | 1 | lp__ | Float64 | 0 | >>>> | 2 | accept_stat__ | Float64 | 0 | >>>> | 3 | stepsize__ | Float64 | 0 | >>>> | 4 | treedepth__ | Int64 | 0 | >>>> | 5 | n_leapfrog__ | Int64 | 0 | >>>> | 6 | n_divergent__ | Int64 | 0 | >>>> | 7 | beta_1 | Float64 | 0 | >>>> | 8 | beta_2 | Float64 | 0 | >>>> | 9 | beta_3 | Float64 | 0 | >>>> | 10 | sigma | Float64 | 0 | >>>> >>>> 4x10 DataFrame >>>> |-------|---------------|---------|---------| >>>> | Col # | Name | Eltype | Missing | >>>> | 1 | lp__ | Float64 | 0 | >>>> | 2 | accept_stat__ | Float64 | 0 | >>>> | 3 | stepsize__ | Float64 | 0 | >>>> | 4 | treedepth__ | Int64 | 0 | >>>> | 5 | n_leapfrog__ | Int64 | 0 | >>>> | 6 | n_divergent__ | Int64 | 0 | >>>> | 7 | beta_1 | Float64 | 0 | >>>> | 8 | beta_2 | Float64 | 0 | >>>> | 9 | beta_3 | Float64 | 0 | >>>> | 10 | sigma | Float64 | 0 | >>>> >>>> ERROR: BoundsError() >>>> in findcorruption at >>>> /Users/rob/.julia/v0.3/DataFrames/src/dataframe/io.jl:663 >>>> in readtable! at /Users/rob/.julia/v0.3/DataFrames/src/dataframe/io.jl:731 >>>> in readtable at /Users/rob/.julia/v0.3/DataFrames/src/dataframe/io.jl:812 >>>> in readtable at /Users/rob/.julia/v0.3/DataFrames/src/dataframe/io.jl:879 >>>> in include at boot.jl:244 >>>> while loading >>>> /Users/rob/.julia/v0.3/MCMCExampleRepository/test/test_df.jl, in >>>> expression starting on line 11 >>>> >>>> julia> >>>> >>>> >>>> On May 20, 2014, at 6:36 PM, Rob J. Goedman <[email protected]> wrote: >>>> >>>>> Hi, >>>>> >>>>> Using a freshly updated Version 0.3.0-prerelease+3251 (2014-05-20 23:18 >>>>> UTC) of Julia I think I noticed a different behavior of readtable(), >>>>> which I hope is not intended. >>>>> >>>>> I have a small test file with data as shown below (and attached as a file >>>>> at the end of the email): >>>>> >>>>> lp__,accept_stat__,stepsize__,treedepth__,n_leapfrog__,n_divergent__,mu >>>>> # Adaptation terminated >>>>> >>>>> -19.8871,0.975123,0.303529,4,15,0,4.25051 >>>>> -22.1208,0.971631,0.303529,3,7,0,8.55276 >>>>> -23.8336,0.857954,0.303529,4,15,0,4.41087 >>>>> >>>>> If I remove the commented line ("# Adaptation terminated"), readtable() >>>>> has no problem, but if it's there readtable() seems to ignore the >>>>> 'allowcomments=true'. >>>>> >>>>> I didn't update DataFrames as far as I am aware, but once or twice today >>>>> I did pull Julia's master from github. >>>>> >>>>> I wonder if someone could try this example. Thanks a lot. >>>>> >>>>> Rob J. Goedman >>>>> [email protected] >>>>> >>>>> >>>>> julia> df = readtable("schools8_samples.csv", allowcomments=true) >>>>> ERROR: Saw 4 rows, 5 columns and 22 fields >>>>> * Line 1 has 3 columns >>>>> >>>>> in error at error.jl:21 >>>>> in findcorruption at >>>>> /Users/rob/.julia/v0.3/DataFrames/src/dataframe/io.jl:680 >>>>> in readtable! at >>>>> /Users/rob/.julia/v0.3/DataFrames/src/dataframe/io.jl:731 >>>>> in readtable at /Users/rob/.julia/v0.3/DataFrames/src/dataframe/io.jl:812 >>>>> in readtable at /Users/rob/.julia/v0.3/DataFrames/src/dataframe/io.jl:879 >>>>> >>>>> julia> df = readtable("schools8_samples.csv", allowcomments=true) >>>>> 3x7 DataFrame >>>>> |-------|---------------|---------|---------| >>>>> | Col # | Name | Eltype | Missing | >>>>> | 1 | lp__ | Float64 | 0 | >>>>> | 2 | accept_stat__ | Float64 | 0 | >>>>> | 3 | stepsize__ | Float64 | 0 | >>>>> | 4 | treedepth__ | Int64 | 0 | >>>>> | 5 | n_leapfrog__ | Int64 | 0 | >>>>> | 6 | n_divergent__ | Int64 | 0 | >>>>> | 7 | mu | Float64 | 0 | >>>>> >>>>> >>>>> <schools8_samples.csv> >>>>> >>>> >>> >> >> > >
