Tag for questions about building histograms in Mathematica. Apart from generating the graphics, and prettifying them, this also includes methods to extract their data.

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4
votes
2answers
631 views

Add two Histograms to calculate summed Mean and StandardDeviation

As a follow up to this question: Calculate mean and standard deviation from ImageHistogram I would like to add two histograms before calculating the mean and StDev. I would like to sum the numbers, ...
4
votes
2answers
2k views

Calculate mean and standard deviation from ImageHistogram

I am doing my PhD in Clinical Neuropsychology; I had someone helping me analyse images (.jpg pictures) in Mathematica, but it turns out this person made some really bad decisions, and well, now I have ...
20
votes
3answers
1k views

How can I make a heatmap of a days in year?

I know Mathematica has a ListPlot for time series but does it have a function for visualizing a list of dates as a heat map like this: This idea is from D3, check it out here.
8
votes
2answers
1k views

ColorFunction in Histogram[]

Let's say I have a Histogram: Histogram[RandomVariate[NormalDistribution[10, 2], 500]] and I want the bars positioned to ...
11
votes
1answer
2k views

Make a density list plot/histogram from large, pre-binned data set?

I have a large data set consisting of $\mathcal{O}(10^9)$ two-dimensional points. In order to save memory and time I have pre-binned these into a uniform grid of $500 \times 500$ bins using Fortran. ...
14
votes
3answers
1k views

How can I tell mathematica to generate an histogram from nominal data?

If I write: Histogram[{1, 1, 1, 2, 2, 2}] I get a nice histogram chart but if I write ...
11
votes
2answers
1k views

Trying to fit an unknown extreme distribution

First up, I'm quite new to Mathematica so any hints on better code would be greatly appreciated. I have some histogram frequency data from an unknown distribution that I'm trying to fit. Here's the ...
5
votes
3answers
384 views

How to preserve clipping when exporting a framed histogram with font embedding?

I work with histograms and would like to export it to EPS format. I've noticed that my exported image loses the PlotRangeClipping option that I set up when I export the plot. This is true for at least ...
3
votes
0answers
97 views

AbsoluteOptions of a Histogram with PlotRange [duplicate]

Possible Duplicate: Mathematica: Retrieving PlotRange from Histogram I would like to evaluate the AbsoluteOptions of one of my ...
4
votes
2answers
1k views

Is there a way to output histogram x and y data without using the Histogram chart function?

I have a large list of data (3.2 million real numbers), and I would like to plot a histogram of it. The built-in Histogram function is very nice, but on my ...
17
votes
4answers
3k views

Problems specifying number of bins in Histogram

So I wanted to create a Histogram with a custom number of bins. Luckily there is a simple function for this in the form of Histogram[data, n] where n specifies the ...
8
votes
2answers
881 views

Rapidly binning 3D data

I have a set of data (about 20 million datapoints for my real data) of the form {x, y, z, m}. There are 3 spatial coordinates x, ...
11
votes
4answers
297 views

Background Shading in Histogram3D

I am preparing some data for dissemination. I have a series of plots that look like so, using ListLinePlot: The background shading is just being added using ...
5
votes
3answers
541 views

Smooth/histogram a 2D set

I have a 2D dataset like this one: {{x1,y1}, {x2,y2},...} I need to smooth/histogram the data in such a way that binning is over the x-coordinate, while ...
8
votes
2answers
703 views

Mathematica: Retrieving PlotRange from Histogram

I know that one can retrieve PlotRange of a plot by using AbsoluteOptions[plot,PlotRange] but that won't work on Histogram. Here an example: ...