# Questions tagged [nonparametric]

Procedures that rely on relatively few assumptions about underlying probability distributions.

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### How can I calculate $\mu_x/\mu_y$ using Jackknife?

I have difficulties in calculating confidence interval using Jackknife. Suppose that I have two independent samples and I do not know both their population distributions. I understand how to ...
156 views

### Regression discontinuity - optimal bandwidth choice

I have a very basic question. I would like to implement a nonparametric RD but I have a Poisson outcome variable. I would like to select the proper bandwidth and my question is about which method to ...
370 views

### Is there a non-parametric, two-way, continuous data ANOVA for replicated repeated measures?

I have data of multiple factors. Let's call them: size (2 levels), geometry (2 levels) and time (242 levels but I can limit my focus to 3 levels, which are relevant). I also have a measure (dependent ...
61 views

### Non-uniform p-values from hoeffd function in Hmisc when data sets are independent

When using the function hoeffd in the CRAN package Hmisc I get unusual p-values for pairs of data sets that are independent. The function hoeffd is an implementation of Hoeffding's $D$ statistic. ...
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### Using Mean Cumulative Function (Nelson-Aalen) to assess drug efficacy

I have a large medical retrospective longitudinal dataset of electronic health records. An individual is identified by an ID. A medical event or drug prescription event is identified using a code and ...
356 views

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### compareGroups p.overall missing p-value

I was doing a non-parametric test across multiple groups in compareGroups. What is strange is my p-overall is missing after showing <.01 before. AND the distribution of the data in the clusters ...
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### Prove the relation between two distribution functions

I have been given a homework in a subject called "Non-Parametric Statistics" and I'm a bit stuck with it. I would be very thankful if you could give me any advice or help, which would lead to a ...