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1
vote
2answers
44 views

Density in histogram doesn't show completely

...
2
votes
1answer
63 views

Confusion about Predict Model NameAge

Predict["NameAge", "Claire"] 8 distribution = Predict["NameAge", "Claire", "Distribution"] dataRaw = distribution[[2]] <...
1
vote
1answer
99 views

How can I make a frequency plot of successful trials? [closed]

I have got different files with the result of an experiment varying 2 variables. The files are in this link. Each file has 3 columns of data: the first column is the same for all the rows of the file ...
1
vote
1answer
102 views

Finding the optimal probabilty distribution

I am trying to obtain the optimal probability distribution function to the following data. My attempt: ...
0
votes
2answers
67 views

Partitioning Mixture Distribution Dataset into constituent Distributions

Suppose I have a dataset that is derived from a random sampling from a mixture distribution ...
4
votes
3answers
214 views

Construct Distribution Histogram From Random Variable

Given a Beta Random Variable $X$ with parameters $\alpha, \beta$ and a positive constant $n$, suppose I am interested in the distribution of: $$Y:=\lfloor nX\rfloor$$ Suppose I want a histogram ...
1
vote
1answer
72 views

Getting PDF from imported Histogram

So I'd like to create a probability density function from an existing histogram from a program that I use. My input data is of the form ...
0
votes
1answer
135 views

Histograms and probability distributions

Consider $50$ random variables with probability distribution: $X∼Bin(20,.1)$, where $n=20$ and $p=.1$. Now take a random sample of size $i; \ i=1,5,12,30,40$ from the 50 random variables and plot ...
0
votes
0answers
82 views

Mixture distribution fitting containing a uniform distribution

I have a dataset that is clearly the mixture of 3 known distributions which can be generated as follows: ...
1
vote
1answer
49 views

Sum of PDF HistogramList bar heights is 1/2, 1, 2, 3, etc… depending on distribution?

I've noticed that my normalized histograms are not always normalized to 1. For example: ...
4
votes
3answers
252 views

Generating fake raw data from a given distribution

Most recipes on statistical data processing in Mathematica, such as building histograms, deriving smoothed PDF and CDF distributions, etc., work with given raw data sets. For example, series of ...
6
votes
1answer
885 views

Histogram “PDF” vs “Probability”

I have a discrete random variable with values from $0$ to $100$. I have plotted its histogram with bars centered in $0, 5, 10,\dots,100$. First I made the histogram using the ...
0
votes
1answer
292 views

data fitting and p value compute

I have a list of data: data I want to find the best fit distribution curve and then fit curve. After finding the fitting distribution, I want to compute the Pearson chi-square to test the fitting ...
7
votes
1answer
133 views

Histogram not plotting RandomVariate of EmpiricalDistribution

Bug introduced in 11.1 or earlier and fixed in 11.2 I have a seemingly odd case in 11.1 where a sample from an EmpiricalDistribution is not being plotted by ...
5
votes
2answers
96 views

Graph a ParameterMixtureDistribution

I am trying to graph the following 'ParameterMixtureDistribution'. ...
0
votes
1answer
120 views

Problem (or maybe bug) with the SmoothHistogram3D command?

I have a data set in form of {x,y} (I add part of my data set), and I need to calculate the 3D histogram for it, also I need to get -LOG from probability (Z axes). I wrote this code for it. ...
0
votes
2answers
142 views

I want to plot 3Dhistogram from my data?

I have the data file like this: {{16.3009, 5454}, {16.2118, 5463}, {15.8156, 5414}, {15.9585, 5515}, {16.2253, 5459}, {16.284, 5419}, {15.6112, 5389}, {15.7221, 5403}, {15.509, 5445}, {15.6993, ...
-2
votes
1answer
358 views

How to get data from Histogram (HistogramList) for making plot?

I have a data I need to calculate the probability of the second column of my data in different bins and then getting(-LOG) from this probability and plot with the each bin related to it. my data is ...
2
votes
1answer
151 views

Distribution of max of partial sums of normal distributions

I was surprised not to find this question already answered: if I take the maximum of the partial sums of n normal distributions, what is the resulting ...
1
vote
1answer
392 views

Plot Histogram and CDF on the Same Chart

I have this data and plotted the histogram and CDF: ...
4
votes
1answer
207 views

Random Variate generating strange results when using ProbabilityDistribution

Bug introduced in 10.1 and fixed in 10.3 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 }}}...
1
vote
1answer
278 views

Plotting probabilistic histogram on a specific range on log scale

I'm having a problem getting a combined effect - I have a list of values for which I'd like to plot a histogram. As a minimal example: ...
9
votes
2answers
848 views

Scale SmoothHistogram curve to Histogram

Like in this question, I would like to display a histogram and a smooth histogram in the same plot. I believe the default “bin height specification” (or $\textit{hspec}$) for ...
1
vote
1answer
61 views

Histogram and Random Lists [closed]

Suppose I have the following list listrand of random numbers from RandomReal[-30,30] (where the size of the list is 40). Is ...
2
votes
1answer
369 views

How to make a cumulative time plot?

So I'm working with this data set where there is just one input(a date and time) per line in a .csv file. I've let Mathematica understand the input using "DateStringFormat". The time looks like Year-...
5
votes
2answers
715 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
558 views

Creating histograms with specified mean and intervals

I have a set of data that I want to create a histogram for. The thing is, I would like to set the center of the histogram to the mean of the dataset and the intervals to be the standard deviation. How ...
1
vote
0answers
229 views

Comparing heavy tailed and non-heavy tailed distribution using Mathematica

I have data from a heavy tailed distribution (see picture 1) and a non-heavy tailed distribution (see picture 2) and want to compare it using a histogram on log-scale. However the picture 3 does not ...
4
votes
2answers
2k 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)) ...
8
votes
1answer
1k views

How can we create a histogram distribution from binning data?

HistogramDistribution takes a list of data points, creates a histogram from them, and returns this histogram in a form that can be used as a distribution. I ...
3
votes
1answer
226 views

How to normalise a line in mathematica

I'm working on creating a line plot from a histogram, as in the following: ...
1
vote
2answers
291 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 ...
2
votes
1answer
440 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 ...
0
votes
1answer
306 views

Understanding distribution chart

How to explain DistributionChart function in mathematica, For example: if I have ...
6
votes
4answers
2k views

Log-log scale smooth histogram

How can I create a smooth histogram with a log-log scale? I can use Histogram[data, "Log", "LogCount"] to get a log-log histogram, or I can use ...
1
vote
2answers
1k views

Probability density histogram with unequal bin widths

I am confused by output of Histogram and HistogramList for probability density ("PDF") when ...
0
votes
1answer
205 views

How to obtain an approximate function for SmoothHistogram3D?

I have a random distribution of points in the $x\!-\!y$ plane. I can obtain a graphical representation of the probability distribution function using ...
9
votes
1answer
8k views

How do I display a histogram with normalized counts?

I have some data corresponding to real number distances: {200.04053, 200.232123, 156.3242,...}, and I would like to bin these values and display them as a histogram ...
9
votes
1answer
656 views

Representative Smooth Kernel Distribution from Truncated Distribution

I am trying to produce a better distribution from a dataset that is bounded to be greater than 0. Here is an example distribution from the documentation that mimics the behavior of the actual dataset: ...
14
votes
3answers
2k 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 ...