It shouldn't be that hard to make the array version work. I might give it a shot, unless that isn't desired.
Kevin On Monday, May 26, 2014, Jason Solack <[email protected]> wrote: > this works for me: > > dfA = DataFrame(A=[1:10], B=[11:20]) > dfB = DataFrame(A=11, B=21) > append!(dfA, dfB) > > > > On Monday, May 26, 2014 11:59:28 AM UTC-4, Tomas Lycken wrote: >> >> I'm probably just being incredibly daft, but I can't figure out how to >> add a new row to a DataFrame. >> >> Basically, I have a bunch of data sets for which I want to perform some >> calculations - lets say the mean and standard deviation of something - each >> dataset corresponding to some named category of data. So I do the following >> to construct my new DataFrame >> >> julia> measures = DataFrame() >> julia> measures[:Mean] = Float64[] >> julia> measures[:StdDev] = Float64[] >> julia> measures[:Category] = Symbol[] >> >> Now, I want to add some values that are the results of a calculation on a >> different data set, and I try this: >> >> julia> push!(psispread, [1.0,0.1,:Fake]) >> ERROR: no method push!(DataFrame, Array{Any,1}) >> julia> append!(psispread, [1.0,0.1,:Fake]) >> ERROR: no method append!(DataFrame, Array{Any,1}) >> julia> psispread[1,:] = [1.0,0.1,:Fake] >> ERROR: BoundsError() >> in setindex! at /home/tlycken/.julia/v0.3/DataArrays/src/dataarray.jl: >> 764 >> in insert_single_entry! at /home/tlycken/.julia/v0.3/ >> DataFrames/src/dataframe/dataframe.jl:410 >> in setindex! at /home/tlycken/.julia/v0.3/DataFrames/src/dataframe/ >> dataframe.jl:521 >> >> Is there a nice and simple way to add a row to a DataFrame without having >> to do it one value at a time? >> >> // T >> >
