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Merge pull request #643 from JuliaStats/bythunk
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exported HOFs all do thunk
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garborg committed Jul 8, 2014
2 parents 1946ebe + 7f8afda commit f8fc0ec
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Showing 3 changed files with 4 additions and 1 deletion.
2 changes: 1 addition & 1 deletion src/dataframe/reshape.jl
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Expand Up @@ -101,7 +101,7 @@ end
# `mean` is the default aggregation function:
pivottable(df::AbstractDataFrame, rows, cols, value) = pivottable(df, rows, cols, value, mean)
pivottable(df::AbstractDataFrame, rows, cols, value, fun) = pivottable(df, [index(df)[rows]], [index(df)[cols]], index(df)[value], fun)

pivottable(fun::Function, df::AbstractDataFrame, rows, cols, value) = pivottable(df, rows, cols, value, fun)

##############################################################################
##
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1 change: 1 addition & 0 deletions src/groupeddataframe/grouping.jl
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Expand Up @@ -199,5 +199,6 @@ Base.names(d::GroupedDataFrame) = names(d.parent)

# by() convenience function
by(d::AbstractDataFrame, cols, f::Function) = based_on(groupby(d, cols), f)
by(f::Function, d::AbstractDataFrame, cols) = by(d, cols, f)
by(d::AbstractDataFrame, cols, s::Vector{Symbol}) = colwise(groupby(d, cols), s)
by(d::AbstractDataFrame, cols, s::Symbol) = colwise(groupby(d, cols), s)
2 changes: 2 additions & 0 deletions src/other/index.jl
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Expand Up @@ -66,8 +66,10 @@ end
rename!(x::Index, from, to) = rename!(x, zip(from, to))
rename!(x::Index, from::Symbol, to::Symbol) = rename!(x, ((from, to),))
rename!(x::Index, f::Function) = rename!(x, [(x,f(x)) for x in x.names])
rename!(f::Function, x::Index) = rename!(x, f)

rename(x::Index, args...) = rename!(copy(x), args...)
rename(f::Function, x::Index) = rename(x, f)

Base.haskey(x::Index, key::Symbol) = haskey(x.lookup, key)
Base.haskey(x::Index, key::Real) = 1 <= key <= length(x.names)
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