Fivenum: Difference between revisions

=={{header|Julia}}==

{{works with|Julia|0.6}}

<lang julia>function mediansorted(x::AbstractVector, i::Integer, l::Integer)

len = l - i + 1

len > 0 || throw(ArgumentError("Array slice cannot be empty."))

mid = i + len ÷ 2

return isodd(len) ? x[mid] : (x[mid-1] + x[mid]) / 2

end

function fivenum(x::AbstractVector{T}) where T

r = Vector{T}(5)

xs = sort(x)

r[1] = xs[1]

r[end] = xs[end]

r[3] = mediansorted(x, 1, endof(x))

mid = length(x) ÷ 2

lowerend = isodd(length(x)) ? mid : mid - 1

r[2] = mediansorted(x, 1, lowerend)

r[4] = mediansorted(x, mid, endof(x))

return r

end

for v in ([15.0, 6.0, 42.0, 41.0, 7.0, 36.0, 49.0, 40.0, 39.0, 47.0, 43.0],

[36.0, 40.0, 7.0, 39.0, 41.0, 15.0],

[0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555,

-0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527,

-0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385,

0.75775634, 0.32566578])

println("# ", v, "\n -> ", fivenum(v))

end</lang>

{{out}}

<pre># [15.0, 6.0, 42.0, 41.0, 7.0, 36.0, 49.0, 40.0, 39.0, 47.0, 43.0]

-> [6.0, 42.0, 36.0, 40.0, 49.0]

# [36.0, 40.0, 7.0, 39.0, 41.0, 15.0]

-> [7.0, 38.0, 23.0, 40.0, 41.0]

# [0.140828, 0.0974879, 1.73132, 0.87636, -1.9506, 0.734386, -0.0303573, 1.46676, -0.746213, -0.725888, 0.639052, 0.615015, -0.989838, -1.00448, -0.627595,0.662062, 1.04312, -0.103054, 0.757756, 0.325666]

-> [-1.9506, -1.9506, -0.0434181, -0.627595, 1.73132]</pre>