All Questions
Tagged with nonparametric chi-squared-test
34
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What is this nonparametric goodness-of-fit test?
I wrote down a goodness-of-fit test that I have not seen before.
However, it is quite elementary and has many applications, so I
bet it must have been known. Could someone tell me its name?
Setup. The ...
- 235
2
votes
1
answer
70
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Alternatives to ANOVA to find differences between three groups?
So my data is looking at the incidence of emotions within therapy sessions. I am looking at three groups that I suspect have different pattern across several emotions
Group 1 n=36
Group 2 n=12
Group 3 ...
- 21
1
vote
1
answer
536
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Pre-Test/Post-Test Design with Control and Experimental Group and Categorical Dependent Variable
I have conducted a controlled experiment with the goal to determine whether an educational intervention improves the students' performance and self-assessment of their skills. Students from the same ...
- 11
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1
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132
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Compare nonparametric distributions
I generated distributions of travel times of commuters using transportation simulation tools (for different scenarios). The distributions are attached below. I wish to statistically compare each pair ...
- 141
7
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1
answer
5k
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Is there a parametric equivalent to the chi-squared test?
I'm doing some analysis on a device which sizes potatoes. To assess the accuracy of this device, I'm comparing (1) the data for a box of potatoes, as sized by this device, and (2) the data for the ...
- 277
2
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0
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104
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Fitting a range of distribution and test for goodness of fit - choose based on p-value or chi-squared values?
I have data for which I want to study the best distribution that fits this data. I am following this blog post to do my experiments. Basically the following things are happening:
fit a number of ...
- 521
0
votes
2
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310
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Difference between two groups of people, each person "is" several characteristics
I have two groups of people, A and B (let's say 15 and 25 people).
Each person in each group is characterized by a bucket of features (bucket = 6-18 features). Each feature, during qualitative phase ...
- 101
2
votes
1
answer
2k
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Chi-Square 2x2 Contingency vs z-test for two proportions: parametric or non-parametric?
Chi-Square Test
I think it is generally agreed upon that the Chi-square test (specifically, the chi-square test for a 2-by-2 contingency table) is a non-parametric test. (Though there is the ...
- 73
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16
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Largest connected group of identically distributed nodes in d.r.v sample graph
I have come across an unfamiliar and somewhat interesting problem while attempting to write an algorithm for an image processing application and was wondering if any of you had any ideas that might be ...
- 11
0
votes
2
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2k
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Goodness of fit (chi-squared) for non-exclusive categories
I'm analyzing some data, which is sorted into some categories, and would like to compare my results to a hypothetical distribution of those categories. I feel like the chi-squared test for goodness of ...
- 1
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631
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Calculate representative value for data
Assume there are ten data with values $a_1$, $a_2$, ..., $a_{10}$ each with different non-symmetric errors. The problem confronting me in brief is, to combine the 10 results $a_{i}$ and their ...
- 103
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142
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Test for difference between 2 bounded, paired, and integer valued discrete distributions
I am comparing customer ratings at origination and at default. My data looks like this
...
- 629
2
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2
answers
842
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1
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1
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3k
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How big can a chi-square table be?
For example, i know a traditional table would be something like male / female and yes / no.
I have conducted a survey on opinions of animal research. One of my questions is "do you have ethical ...
- 61
2
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0
answers
175
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I don't understand Chi Squared Test for Goodness of Fit [closed]
I have a sample of 45 females and 30 males. I want to say something about gender distribution in the sample, and whether it accurately reflects the population.
I have a very limited knowledge of ...
- 21