# Questions tagged [time-series]

Questions on sequences where adjacent samples are time-correlated, making the data suitable for modeling the behavior of the sampled system.

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### Applying Fourier Shift Theorem using Power Spectrum

I have a power spectrum $P(\omega) = 10/\omega^2$ and I want to simulate a random time-series realization of this process $f(t)$ and a time-shifted copy of that realization $f(t- \tau)$. To do this, I ...
85 views

### Finding correlations for certain functions

I want to find correlations for a function $x(t)$ between pairs of times $t_1$ and $t_2$ i.e. to possibly get a functional form or fit for $\langle x(t_1)x(t_2)\rangle$. This function $x(t)$ is ...
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### Can I use Timeseries of a Data to plot the ARCHProcess?

So, I have a list s={Timeseries1,Timeseries2,Timeseris3} I want to Plot a graph just like :Mathematica I tried to do this but I didn't understand some parts of the ...
28 views

### fit a time series with a form containing time as a TimeObject

I created a TimeSeries from TimeObjects (i.e.the list timemeting, times of the measurements) and the measured values (anglesarray). I want to fit the data to a function of time. The function contains ...
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### Adding observation to time series

I download three time series from FRED: ...
• 209
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### Estimating values from a timeseries picture

I have the following picture (one of several hundred): I want to basically read out every y-value for every year on the x-axis from this graphic and create a data table from it. For example, I want ...
• 2,723
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### How to customize multipanel BarCharts (e.g., ChartLayout -> "Row")?

Bug introduced in 13.0 In version 13.0.0 support for multipanel plots has been added to 15 visualization functions —among them ...
• 12.6k
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### How can I show the units on the labels of the ordinate axis, not just numbers?

I have a DateListStepPlot. The abscissa is meaningfully labeled. However, on the ordinate axis, the labels just show numbers. But I want to show their unit too (e.g....
• 2,522
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### How to calculate cumulative density from a dynamical output?

I am running a simulation. I want to calculate the cumulate density of each species "C" and "R" from 0 to 100 [I just need the final number, not a graph]. Here is a sample equation ...
• 211
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### How to access the data object returned from a Wolfram query?

I want to access information regarding the population of the world, over the last 10,000 years, and then visualize it with some annotations. In particular case, I want to: grab world population data ...
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### How do I correctly iterate using Outer when an argument / slot is a nested list?

I have the following complex nested iteration situation. I begin with a list, data, that comprises 16 TemporalData objects Each TemporalData object contains 2 ...
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### Is there a way to get WeatherData consistently?

I can get weather station location: WMOStations = ResourceObject["WMO Meteorological Stations"]; and select for the US: ...
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