The tag has no wiki summary.

learn more… | top users | synonyms

0
votes
0answers
11 views

if I have rank=3 in an cointegration process means that _ce1,_ce2,_ce3 have all to be negative and statistical significant?

I need some help. I have never used the cointegration process neven before and I am not used working with econometrics.I have a model with 5 explanatory quarterly variables,52 observations and the ...
0
votes
0answers
30 views

How do I report my ranked ordinal data?

I passed out a survey to the community and I am unsure how to properly report the data. The question is: "Rate from 1-5: one being the most important and five being the least important. I will attend ...
0
votes
0answers
29 views

Creating a model to interpret numerical scores

Good morning/afternoon everyone, first of all thanks to all of you for the valuable insights provided. I will be oulining here my current challenge, trying to provide as much detail as possible. ...
2
votes
0answers
29 views

Patterns in binary data sorted with rank indices

I have a sequence of binary data, each row of which has seemingly random bits and associated with an integer value ("rank"). When we have a binary datum, we always can calculate the rank related to it ...
0
votes
1answer
43 views

Spearman's Rho - from partial ranked variables

I have two variables which represent two performance measures. I ranked a finite set of elements according these two variables. Therefore, I have to ranks. Suppose the ranks are performed in ...
0
votes
0answers
19 views

comparing location parameters of non-normally distributed variables between groups

Hello I need to compare the mean or median of a continuous but non-normally distributed variable between two groups, but also adjusting for some continuous and categorical covariates. I would think ...
0
votes
1answer
45 views

How are ranks calculated in tie cases?

I am considering the following question: when there are ties, how are ranks calculated? In some references, they first rank them without repeating the ranks, and then average the ranks of those ties ...
2
votes
1answer
120 views

Equivalent to K-S test on discrete data with uneven quantization

I have some data resulting from a simulation that consists of several groups, each containing a single real datapoint and a variable number of matched controls. I take the rank of each real value ...
2
votes
1answer
101 views

T-test on ranks vs Mann WHitney U-test equivalence

What does it mean when people say that a T-test performed on ranked data is equivalent to a Mann WHitney U -test? Does that mean they just test the same hypothesis/are useful in the same situations or ...
2
votes
1answer
1k views

ANOVA on ranks vs. Mann-Whitney U test

What exactly is the difference between performing a t-test on data that has been ranked and performing a Mann-Whitney U test on the unranked data? I keep reading things like: For example, the ...
0
votes
1answer
267 views

Which statistical tests can be used to compare two paired/related rankings?

To understand my question, can anyone to evaluate if the statistical analysis in the below research (from the 2011 year) was performed correctly? I must to analyze a similar research and I am ...
3
votes
0answers
222 views

Comparison of ranked lists

Suppose that two groups, comprising $n_1$ and $n_2$ each rank a set of 25 items from most to least important. What are the best ways to compare these rankings? Clearly, it is possible to do 25 ...
0
votes
1answer
148 views

Rank data from 1 to N (N may not be equal to number of elements in the dataset)

I calculate percentile ranks based on the method at http://www.psychstat.missouristate.edu/introbook/sbk14m.htm I need to assign ranks to a dataset where ranks are ...
1
vote
0answers
140 views

Assumptions of Quade Rank-Based ANCOVA

Spelled out in plain English, what are the assumptions of the Quade (1967) rank-based ANCOVA procedure? It's not written very clearly in the paper. For instance, in regular ANCOVA, I believe the ...
2
votes
0answers
151 views

How to compare ranked data?

I have some questions about how to analyze ranked data. The data looks like this: 4 groups of people with HIV and 16 other groups of people living in the same village were asked to rank 12 ...
0
votes
1answer
222 views

Combining and ranking standard deviations

I am trying to take three independent indicators and combine them into a single composite measure. For discussion, let's say that this is a composite measure for 'economic performance', and that the ...
0
votes
1answer
66 views

best approach to compare ranks over time

If I have the following dataset: ...
1
vote
1answer
153 views

How to rank film production companies based on weighted ranks?

IMDB uses a Bayesian estimate to compute its top 250 films. Let's say I know all the variables needed to compute this Bayesian estimate for these films. I also have the production company associated ...
1
vote
1answer
368 views

Percentile Ranks in Matlab

I have 2 vectors of raw values. I need to do a percentile rank correlation and an ordinal rank correlation between them in Matlab. ...
4
votes
0answers
140 views

How to predict the probability of a performance rank for a test taker on a future test based on previous test scores?

Four students sit a series of tests, each test contains 10 questions. Students are ranked 1-4 in each test depending upon who got the most questions correct. ...
1
vote
1answer
129 views

Wilcoxon signed rank statistic

It seems there are two formulas to perform a wilcoxon signed rank test - one where the sum of all the signed ranks is w and another where the minimum of the sum of the negative ranks and positive ...
1
vote
0answers
163 views

Plot precision recall using a vector of ranks

I have developed a predictor which scores a datapoint, x on how likely it is to belong to a particular class, C. The higher the score the more likely it is that the datapoint belongs to the class. ...
2
votes
0answers
99 views

Structural shifts

I am using the R programming language to analyze the cointegration of 5 data sets. I have determined that the series share 3 cointegrating vectors after taking structural shits into account following ...
4
votes
2answers
1k views

Regression for rank order dependent variable

I am looking for a package to analyze rank-order data in the form of regression. My outcome (dependent) variable is a rank ordering in the sense that the respondents to a questionnaire were asked a ...
1
vote
0answers
57 views

What is the best way to treat popularity for ranking?

I have items for purchase and I have statistics how much each were purchased. I want to use this amount for ranking them. The simple guess is to ...
2
votes
0answers
303 views

How to compute composite score of rank order variables?

I have several rank order items about the use of languages in different contexts. Specifically, respondents were asked to order three languages from most to least used in situations such as at work, ...
2
votes
1answer
1k views

Rank transformed 2-way ANOVA

I know I'm asking a lot of questions these days! Sorry about that, but I'm trying to work through my grad thesis data collected over the last 4 years, and am repeatedly tripping on my beginner's grasp ...
10
votes
2answers
1k views

Why is the Mann–Whitney U test significant when the medians are equal?

I've received a results from a Mann-Whitney rank test that I don't understand. The median of the 2 populations is identical (6.9). The uppper and lower quantiles of each population are: 6.64 & ...
3
votes
2answers
2k views

What correlation coefficient and graph is appropriate with this data?

I'm not in Statistics field. I conducted the case study and collected the data as shown below I have data as shown in the table below: I would like to find correlation coefficient from this two ...
5
votes
1answer
846 views

Compare rank orders of population members across different variables

I have some data which describe residential units for people with learning disability, variables like how nice the furnishings are, the level of psychiatric symptomology on the unit, how happy the ...