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0answers
9 views

Easy way to combine mean and sd in one table using tapply? [migrated]

In R's tapply function, is there an easy way to output multiple functions combined (e.g. mean and ...
0
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0answers
32 views

Simplfying summary statistic output stratified by a categorical variable in R [migrated]

Program being used I am using the statistical program R to analyze some data and have what is likely a fairly simple question. Background to the problem I have a variable full of numeric values ...
2
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1answer
53 views

Creating a descriptive table

I am having trouble trying to figure out how to report categorical and continuous data in one table. I want to create a descriptive table summarizing some of the categorical and continuous data from ...
0
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1answer
131 views

Standard normal distribution - the z-table for the PDF

I have searched high and low, and I simply cannot find this table anywhere. I am quite sure that for practical purposes I don't need it - that there are other methods, but it would be extremely ...
2
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2answers
626 views

How should I present linear regression output in a table format?

Is there any convention regarding the minimum information that should be included in a table showing a linear regression output? The reason for this question is that I want to make the output as ...
4
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1answer
2k views

How to generate nice summary table?

I want to have R display the data it gives me from the summary() function in a table so I can easily share this. I am currently just doing ...
8
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2answers
373 views

Wilcoxon-Mann-Whitney critical values in R

I have noticed that when I try to find the critical values for the Mann-Whitney U using R, the values are always 1+critical value. For example, for $\alpha=.05, n = 10, m = 5$, the (two-tailed) ...
1
vote
1answer
255 views

How is it correct to deduce significance level of Pearson's correlation from a table?

this is a rather elemental question, but any help would be appreciated anyway. This webpage gives a method of finding the p-value of Pearson's correlation coefficient, using a table. However, the ...
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0answers
101 views

Possibility of analyzing the hypothesis using Friedman's test

Lets assume I have collected some data about sold ice creams on the local market on the daily basis. Days( just a number of observations, might be classified otherwise, it's not variable ) present the ...
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0answers
88 views

Goodness of fit between columns of a 10000x2 table (with low counts)

I have a $10000\times2$ table (see below) where column A is made out of observed data and column B is the output of a model that I have which should fit the observed data A. $n_{A}$ is the total ...
4
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3answers
235 views

How to succinctly report the correlation between two variables for 20 different subsets of the data in a table?

I have 20 correlation coefficients (r) to report, for example, .34, .45, .67, .23. and so on. These are correlations between Variable A and Variable B, based on gender, age, education levels etc. I ...
0
votes
1answer
136 views

Redefining and merging two tables in R or SAS

I have two tables (matrix) of same dimensions, one contains correlation coefficients and other with p values. I want to combine them into one table. For example let's say I have correlation ...
10
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2answers
784 views

Number of significant figures to put in a table?

Is there a well founded rule for the number of significant figures to publish? Here are some specific examples / questions: Is there any way to relate the number of significant figures to the ...
9
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2answers
2k views

When would it be appropriate to report variance instead of standard deviation?

I have conducted an analysis in which I have modeled different variance components. When reporting the results in a table, it is much more concise to report standard deviations instead of variances. ...
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2answers
2k views

Plotting sparklines in R

I would like to use R to plot out something like this: It would seem possible but highly complex to keep track of the coordinates, width, height, etc. Intuitively it would seem best to treat each ...
7
votes
2answers
254 views

Boxplots as tables

We are preparing a manuscript and the editor asked us to convert a figure with a boxplot into a table "because of the more exact data content". While I think boxplots are pretty decent in revealing ...
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8answers
1k views

What is a good resource on table design?

I've seen various theoretical treatments of graphics, such as the Grammar of Graphics. But I have seen nothing equivalent with regards to tables. Over the while I have developed an informal model of ...