# Questions tagged [overlapping-data]

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### How to quantify temporal overlap of species abundance?

I want to compare the extent of overlap of species abundances in the following two secanrios. In the first scenario, species barely overlap so the index or overlap value should be zero. in the second ...
51 views

### Probability of outcomes from overlapping samples of a random variable

I have a feeling there is a straight forward answer to my question, but I'm not sure what the appropriate term to search for is. I'm trying to get a sense of what the probability is of finding some ...
1 vote
23 views

### What are pros and cons of AR and other time series models with overlapping datapoints

Anyone have any links or resources on pros/cons of building a timeseries model with overlapping data points? Generally, a lot of text build models on daily returns, but let's say the daily variable ...
61 views

### Overlapping data in time series model?

I have some time series data that I am trying to model - basically historical elasticity reads with daily sales data. I really am just interested in finding the 'mean' value - not necessarily predict ...
13 views

### Population overlap of random distributions of binary choices

I’m trying to figure out how to calculate the overlap (concurrence) of certain building features, for example: high-efficiency windows, thick insulation, efficient lights, etc. I know the probability ...
25 views

### How can I visualize and receive data about time overlap of several actions?

I am observing a person walking, running, and yo-yoing and want to know how much time a person spends yo-yoing while they walk. Calculating total time spent doing each activity is relatively easy (...
1 vote
106 views

### Average count of overlap between random samples

If I randomly sample n numbers from 1..m, x times, what would be the average count of ...
1 vote
48 views

1 vote
13 views

### Multiple Comparisons Problem for non-independant subsets

I'm investigating whether a program was effective or not using BACI analysis and noticed that overall it had no effect (The 2-way ANOVA and non-parametric approach gave a p-value of about 0.5). I want ...
37 views

### Cross checking AI Selections vs Random Chance

Fifty Three Images AI Selects 20 images based on various criteria. I Select 20 images based on personal criteria. In a two group selection of all 53 items what is the likely overlap due to random ...
249 views

### Survival Analysis on recurrent behavior time series predictor

We are trying to build a credit model to predict the default time (or finally closed the loans as censored). The predictor is a high-dimension time series of current observed previous payment behavior....
139 views

### Spatial regression with overlapping areas

Is it statistically correct to calculate a regression with overlapping areas? I have market areas as the spatial unit with different sociodemographic and (macro)economic variables and I´m examining ...
1 vote
31 views

### (Another) What Statistical Test Should I Use?

If I ask 600 different people to rate 3 different images from 0-10 (i.e 3 samples of 200 people per image) and I calculate the mean scores per image as well as the overall mean for all 3 images, can I ...
1 vote
86 views

### Probability of Finding Two Matching Subsequences in a Sequence

I'm currently studying DNA sequencing and am trying to find a formula which gives the probability that a subsequence of length $k$ appears twice in a sequence of $L$ bases (characters); this is pretty ...
52 views

### How to analyze combined data from studies with overlap in subjects?

I have data from multiple placebo-controlled cross-over trials (each with $n \simeq 20$) with unique phenotypes measured during the placebo phase. I'd like to combine the data from these measurements ...
106 views

### The minimum number of classes in the case of overlapping classes

I've a set of elements that should be grouped in the minimum number of groups, each element belongs to overlapping classes, for eg: a belongs to the classes x , y , z; b belongs to the classes x , y; ...
314 views

### 95% CI for GMC did not overlap but paired Wilcoxon signed rank test gave a p-value > 0.05

I measured antibodies for a pathogen on the same group of subjects measured at month 2 and month 7. Since antibody concentrations vary a lot from subject to subject, we decided to use Geometric Mean ...
181 views

### Forecasting with annual data that has a rolling quarter

I want to fit an ARIMA model for forecasting on a quarterly basis, but my data is a rolling year, updated quarterly, how can I use this most effectively? I'm really interested in the best estimate of ...
476 views

### Correcting estimate of covariance/correlation with overlapping/autocorrelated data

I'm wondering how to correct for the presence of autocorrelation/heteroscedasticity in estimating sample covariance matrices from data. I know there have been some questions on this before: ...
199 views

### how to merge multiple overlapping datasets with different units of measurement

I have many overlapping datasets of molecules and their respective binding affinities to a receptor structure. Each dataset comes from a different experimental assay and conditions, therefore the ...
48 views

### Intersection of significant differences

My data are signals in which each data point represents a pair of time point and location on the brain. I have a categorical variable with three levels: conditions A, B, and C. I have run non-...
1 vote
2k views

### What is the probability (area) of overlap of two normal distributions having EQUAL variance

Can you please provide a math formula or an Excel example (math operations and Excel functions jointly used) to compute the probability (area) of overlap of two normal distributions having EQUAL ...
217 views

### Overlapping data and QQ plot

Problem Have a time series of data and want to look at changes over long periods so want to use overlapping changes, then want to compare these overlapping changes to overlapping changes from a normal ...
473 views

### How to analyse multiple choice and overlapping questions in MCA? [closed]

I need to analyze a survey about entrepreneurship which has around 50 categorical variables. Therefore, after some univariate analysis, I want to apply Multiple Correspondence Analysis (MCA) in order ...
2k views

### Comparing overlap and matches in different datasets

My goal: a measure/test/score/etc. that can give me a numerical value for how similar two datasets are. Let's say I have two datasets, each with a differing number of datapoints, where each datapoint ...
42 views

### How to estimate treatment effect with overlapping treatments?

I've taken over a project with an overlapping treatment design and I'm wondering how to estimate the overall effect. The description: Our organization sends 4 separate promotional postcards to our ...
1 vote
51 views

### calculate percent of sample in overlapping distributions

I'm looking at 80k samples representing results of a test after a fixed period of time. I think it looks like a combination of normal curves. I see a fair amount of documentation about combining ...
Suppose we have time series data $(p_t, (x_{i,t})_{i = 1...n})$, where $p_t$ is a price and $x_{i,t} \in \mathbb{R}^n$ regressors. From $p_t$ we construct $r_t = \frac{p_{t+30}}{p_t} -1$, the one-...