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
1answer
228 views

Rescuing a vertically clipped histogram

I recently ran a rather time intensive calculation and plotted the results in a histogram by simply called Histogram[data]. However, because of a rather serious error on my part, I recently lost my ...
4
votes
1answer
149 views

spherical histogram for 3D object

I want to develop a shperical histogram for 3D object. Given a 3D object, I put it in a cylinder where its axis pass through the centroid of the object. The cylinder is sampled into a number N of ...
3
votes
3answers
838 views

Comparing 2 Data Sets in a Single Plot

I have 2 data sets, data1 and data2 with large (in the thousands) amounts of data and I want to compare them in a plane. They ...
3
votes
2answers
248 views

Plot contours for 3d histograms

I have a data set which is a list of pairs. From this I can easily make a 3d histogram with Histogram3D[data] or a smoothed ...
3
votes
2answers
501 views

Multiple histograms grouped in a chart

I have this problem: I have three distributions and the relative histograms. But I would like to create an histogram in which the three columns of each single histogram for the same bin are put ...
3
votes
1answer
557 views

How can I make a list plot with bars?

Can anyone help me please? I don't want a Histogram; I don't want a BarChart, not even a ListPlot with drop down lines. I want a list plot with drop down columns/bars: please see the link. It is ...
3
votes
1answer
85 views

ImageHistogram with logarithmic y scale

ImageHistogram is much faster than Histogram with ImageData. The only problem: I cannot ...
3
votes
1answer
213 views

How do you make a 3D city population graphic?

I want to make a graphic that has the shape of a country, finds all the cities of that country, gets their coordinates and populations and turns that into a SmoothHistogram3D with the population being ...
3
votes
2answers
756 views

How to extract the probability density function from SmoothHistogram? [duplicate]

I have some data.I plot the histogram with SmoothHistogram in Mathematica. If the y-axis of the histogram is my p(x) function, I want to plot f(x)=(1/n)ln(p(x)) ...
3
votes
1answer
79 views

How to normalize histogram height to unity?

When doing Histogram[data], I get the total nummber of counts in each bin. Doing Histogram[data,Automatic,"Probability"] ...
3
votes
1answer
326 views

Centering histogram bars over axis values

I'd like to center the bars in my histograms over the correct values of the x-axis. Here is a simplified example: The most common value in the dataset is zero, but glancing at the histogram this ...
3
votes
1answer
191 views

How to create a bar chart from a list of heights *and* bin delimiter positions?

Basically, I'm trying to produce the same output that Histogram[giganticList] would produce, but starting from the output of ...
3
votes
2answers
49 views

Thickness of bars in a histogram

How can I control the thickness of the bars (here vertical lines) in a Histogram plot? For example in the plot below (of the corresponding image: ...
3
votes
1answer
169 views

How to compare Histogram Data?

I'm using a Dataset ...
3
votes
1answer
305 views

Making multiple sideways histograms/bell curves around temporal data

I don't quite remember what this type of plot is called, but here is the idea: I have some data which is indexed by time, and I want to look at the evolution of the distribution of that data as time ...
3
votes
2answers
307 views

two histograms ratio

I have two histograms and using listplot to draw both. Now, I want to draw a second plot, below the first, with the ratio of each bin. Does anyone know how to do this? Many thanks. This is the code ...
3
votes
1answer
197 views

Binning of listplot [duplicate]

I have two arrays describing a 1-dimensional mass distribution. The first array, $x$, are the (un-sorted, and un-evenly distributed) x-coordinates; the second, $m$, the corresponding masses. I would ...
3
votes
1answer
162 views

Using bin values and metadata in ChartElementFunction in histograms

The DensityHistogram command lets you specify a ChartElementFunction which according to the documentation: The arguments ...
3
votes
0answers
98 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 ...
2
votes
5answers
111 views

Histogram from relative frequency data;

I've got a data set similar to the first and fourth column of this table http://mathworld.wolfram.com/FrequencyDistribution.html where the first column is the midpoint of a fixed range of values ...
2
votes
4answers
1k views

How to create a histogram from a given frequency table

I wanted to draw a histogram as in the photo above, I typed the command: ...
2
votes
2answers
300 views

How can I get Histogram to show the number of elements in its bins?

I'm just using Histogram[data, 50]. All the examples on the Histogram help page show show the number of elements when the cursor ...
2
votes
1answer
304 views

How do I create a histogram out of this datastructure: x[i] = value_i?

Here is my SSCCE: a[1] = 2; a[2] = 3; a[3] = 6; Histogram[a] This throws and error though. Here are my questions: What kind of data type is a? Is it an ...
2
votes
1answer
109 views

Random Variate generating strange results when using ProbabilityDistribution

I have created a probability distribution that follows a general normal distribution, given by: $$ \frac{b *e^{-\left(\frac{\sqrt{(x-u )^2}}{a }\right)^{b }}}{2 a \Gamma \left(\frac{1}{b }\right)} ...
2
votes
2answers
389 views

Cumulative histogram with log-log scale

How to do a cumulative histogram on Mathematica on a log-log scale? This question is pretty straightforward, but a search didn't help me at all. Keep in mind that all I have is a list of n numbers ...
2
votes
1answer
164 views

Get histogram of number of vertices per component of graph H

I have a huge graph with ~8k vertices and ~1k components. I want a histogram showing the number of vertices for each component. How do I do this? EDIT: I'm trying ubpdqn's approach, but not gettting ...
2
votes
1answer
327 views

Making a histogram of a user defined random variable

Suppose I want to generate a histogram of $n$ trials a slightly complicated random variable in Mathematica. Is there an easy way to do this? For instance, to make a histogram of a normal variable one ...
2
votes
2answers
407 views

How to interpret an image histogram and plot histogram3D for an image?

I'm really finding many ambiguities in how I really should interpret the histogram of an RGB image? I could understand what the height denotes, but did not understand how the pixels get plotted on a ...
2
votes
2answers
174 views

Extracting counts of contiguous zeros and ones from a binary array

I'm a novice with Mathematica, but you guys have been very helpful to me in the past. I have a binary array [100, J repetitions] consisting of zeroes and ones. I'd like to extract a histogram of the ...
2
votes
2answers
328 views

How do I generate a 3d histogram of runs

This question is an extension of the question I asked here Histogram of runs. What I would like to do now is generate a Histogram3D that has the run duration on the x axis and the mean level on the ...
2
votes
1answer
186 views

Dual Axis Histogram

I'd like to plot two histograms on top of one another, but they have very different scales. Is it possible to plot a histogram with two y-axes, similar to the custom function found here for plots?
2
votes
1answer
186 views

Discontinue, then continue x-axis of 2D Histogram

I have the pictured Histogram. It was generated by the following lines: ...
2
votes
1answer
146 views

How to normalise a line in mathematica

I'm working on creating a line plot from a histogram, as in the following: ...
2
votes
1answer
843 views

Histogram with a logarithmic scale for the y-axis

How can I get a histogram with a logarithmic scale only on the the y-axis? With ...
2
votes
1answer
923 views

Weird vertical line when trying to plot a histogram [duplicate]

I'm trying to plot a histogram of a few data points and overlay a plot on it (it's a fit of a geometric distribution to my data). The weird thing is that a vertical line appears always next to the ...
2
votes
1answer
937 views
2
votes
2answers
342 views

Misaligned DensityHistogram, DistributionAxes & PlotRange

data = RandomReal[NormalDistribution[0.5, 0.1], {10000, 2}]; DensityHistogram[data, PlotRange -> 1, Method -> {"DistributionAxes" -> "Histogram"}] The ...
2
votes
2answers
126 views

Dynamic visualization of two histograms

I have two histograms histo1 and histo2: ...
2
votes
2answers
82 views

How to get the number of entries of histograms in the legend?

I plot three histograms (originating from a large Dataset ds) in one graph ...
2
votes
1answer
154 views

Custom SmoothHistogram3D

I decided to make my own SmoothHistogram3D function because I wanted to be able to specify my own bin sizes and not rely on their distribution functions so taking a cue from this answer and bringing ...
2
votes
1answer
89 views

How can I turn off generation of Dynamic elements by Histogram?

By default Histogram generates Graphics expression with embedded Dynamic constructs as can ...
2
votes
1answer
223 views

How to extract the bin width from a Histogram made with an automatic binning method?

I am using the Scott binning method with Histogram and Histogram3D to plot some data. How could I find out the bin width chosen ...
2
votes
1answer
40 views

How to make custom frame ticks for a Histogram3D plot

I've generated a 3D histogram using the Histogram3D function and I would like to specify the frame ticks. That is, I would like to make custom labels and locations for the rows, columns, and/or ...
2
votes
1answer
313 views

How to compute a discrete histogram of a list [duplicate]

I'm trying to compute the discrete histogram of a set of values. By histogram I mean the absolute frequency a value appears on the dataset, by discrete I mean the values are from a discrete set, e.g. ...
2
votes
1answer
139 views

Histogram scale error when using DistributionChart

I'm a novice Mathematica user that is having some problems using the HistogramDensity function in a DistributionChart. My observations are heavily skewed to one category and the height of the other ...
1
vote
1answer
473 views

Combining Histogram and SmoothHistogram

How can we draw Histogram and SmoothHistogram together for two data sets?. I'd like to show the first data set using ...
1
vote
2answers
57 views

Easy way to create an histogram with given heights? [on hold]

What is the easiest way to create an histogram with the heights of each bin already determined? I read all the support page on histograms but I don't understand if there is a way to create an ...
1
vote
3answers
88 views

Polar histogram and bins

I have a list of polar coordinate points: list = Transpose[Join[RandomReal[{1, 60}, {1, 100}], RandomReal[{0, 2 Pi}, {1, 100}]]] I need to divide the ...
1
vote
2answers
209 views

Analyzing Betting (Keno) in Mathematica [closed]

Keno is a popular lottery game that is available with all of the larger casino softwares. The player is given a ticket with 70 numbers on it. He picks 1 to 11 numbers on the ticket. 20 winning numbers ...
1
vote
1answer
285 views

Exporting SmoothHistogram plot data

My program produces a large data set, which is distributed by some unknown function. I've used SmoothHistogram to visualise it crudely as a probability distribution ...