See also
ACPL: Histogram1D
ACPL: BinaryHeap
Create even 2D Histogram in a fast and intuitive way.
Define TWO access functions, Axis, Range, Titles, get stochastic moments for every dimension. Enjoy the 2D ASCII art output.
See source code and more code examples at ACPL Histogram 2D
std::vector<std::pair<double,double>> values;
auto temp = [](const std::pair<double, double>& p){ return p.first; };
auto pressure = [](const std::pair<double, double>& p){ return p.second; };
HistogramAxis Xaxis("temp [degree]", FixBinWidth{0.5}, DataIntervalClosed{-4.0,7.0});
HistogramAxis Yaxis("air pressure [hPa]", FixBinSize{20}, makeDataIntervalClosed(values, pressure));
Histogram2D hist = Histogram2D("City temperature VS air pressure", Xaxis, temp, Yaxis, pressure, values);
std::cout << hist;
City temperature VS air pressure
Axis: temp [degree]
Number of bins: 22 bin width 0.5
Under/ Overflow count: 4 14
min max avg var std
Histogram -4 7 3.56703 6.43098 2.53594
Data -4.5 7.6 3.62 7.27079 2.69644
Axis: air pressure [hPa]
Number of bins: 20 bin width 1.2
Under/ Overflow count: 0 0
min max avg var std
Histogram 1014 1038 1030.45 40.2583 6.34494
Data 1014 1038 1030.45 40.2583 6.34494
1038 |
a |
i |
r |
|
p |
r |
e |
s |
s |
u |
r |
e |
|
[ |
h |
P |
a |
] |
1014 |
+-------------------------
-4 7
temp [degree]