Questions tagged [descriptive-statistics]
Descriptive statistics summarize features of a sample, such as mean and standard deviations, median and quartiles, the maximum and minimum. With multiple variables, may include correlations and crosstabs. Can include visual displays - boxplots, histograms, scatterplots and so on.
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Looking for a free statistical analysis software to perform Descriptive Statistics on two interlinked Data Sets [closed]
I am looking for a free statistical analysis software (like GNU PSPP, jasp-stats, jamovi) to perform (mainly) Descriptive Statistics, on a big set of data. However, I want to stay away from Excel.
I ...
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Volatility Estimation and forecasting for Ultra-High frequency data
I am unable find methods for Volatility Estimation in ultra-high frequency settings. I am aware HAR-RV and it's counterparts. These models seem to estimate daily volatility using high-frequency data. ...
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Guidance for communicating insights to inform breakdown companies how to assess breakdown risk [closed]
I come from a machine learning background, however I am trying to learn more traditional data science. I have a dataset of vehicles and the target is the Breakdown Likelihood (1 to 3, 1 being lowest), ...
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What type of data is data on the number of shark attacks in different regions as registered in ISAF from 2004-2013
I am aware that this type of data corresponds to spatial series, since it varies over different locations. But apart from this, can we also classify it as a discrete and quantitative variable, ...
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Is neutrally skewed the correct interpretation of a box plot with equal length arms?
Consider a box and whisker plot if both arms are the same length. Is it correct to say it is neutrally skewed or an even distribution?
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Quantitatively determining unexplored parameter spaces [closed]
If we have a high-dimensional dataset (7-10 columns) of continuous variables like Time, Temperature etc. recorded from experiments (not performed by us) are there established methods to quantitatively ...
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Validate my AI driven results of chisquare with the humanized ones [closed]
These are the results i got from an AI agent and i have also attached my data file below .My goal is to validate these results , where i want to see either these results are correct or not , now the ...
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DGP for X_t and Y_t with specified correlation over time?
Edited for clarity.
I am trying to set up a DGP for two vectors of normally distributed random variables $\mathbf{X}=(X_1, ..., X_{50})$ and $\mathbf{Y}=(Y_1, ..., Y_{50})$, with the following two ...
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Odds ratio on multiple category factor
When reading papers (in the medical context) odds ratios for binary variables & for multiple groups are oft reported like so:
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What is the proof for formula of calculating mode in grouped frequency distribution?
I was learning about central tendency and there is this central tendency called mode. I was able to understand how to calculate it from ungrouped frequency distribution. But for calculating the mode ...
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Which measure of central tendency should be used when the question asks for “on average” versus “typically”?
In an exam I came across the following problem:
A company manager recorded the number of employees’ cars already parked when they arrived over nine days:
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Can I do statistical tests on the Index of Relative Importance (%IRI) in dietary studies?
I am trying to determine the importance of each prey taxa (79 total) in a species' diet, according to the sampling session (17 total) in the overall diet, and for each of my 17 sampling sessions. When ...
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Comparing min, max and average data points [closed]
I would like to compare values of energy savings from a technology on ships from different studies. Some studies provide a range (a min and max), while others provide average values. The studies are ...
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Variable selection strategy for *descriptive* modeling
From Shmueli's paper "To Explain or to Predict?", which also has a section about descriptive modeling (section 1.3): (see also this page)
[Descriptive modeling] is aimed at summarizing or ...
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Calculation of rate per 10,000 [closed]
I have some data and I'd like to check that I calculated the rate per 10,000 correctly.
This is an example:
Number of deaths: 3; Population (in thousands): 676391; / 10,000: ...