Questions tagged [tables]

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19
votes
1answer
56k views

How do I find values not given in (interpolate in) statistical tables?

Often people use programs to obtain p-values, but sometimes - for whatever reason - it may be necessary to obtain a critical value from a set of tables. Given a statistical table with a limited ...
13
votes
2answers
11k 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 ...
7
votes
2answers
3k views

Reporting Results of Mann-Whitney U Test - Means vs Medians

I had a question yesterday that I got a bunch of great responses on. I have, hopefully, a quicker question here. There is a debate in the literature regarding reporting means vs medians in a ...
4
votes
1answer
9k views

Calculate p-value for a negative z

I'm trying to do a hypothesis testing and the result I'm getting is strange because the p value I get is greater than 1. I'm using $p_0= 0.65$ and $\hat{p} = 0.60$. To calculate $Z$ I'm using $(0.60-...
18
votes
1answer
8k 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 ...
4
votes
3answers
567 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 ...
51
votes
8answers
3k 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 ...
3
votes
1answer
17k views

Chi Square Analysis Percentages

I've used chi-square analysis in school, but was absent for the lesson, and I never quite got the hang of it. I've been successful with it in the past, but now I'm trying to use percentage values, and ...
11
votes
1answer
5k views

What do you do if your degrees of freedom goes past the end of your tables?

The degrees of freedom in my F table don't go up high enough for my big sample. For example, if I have an F with 5 and 6744 degrees of freedom, how do I find the 5% critical value for an ANOVA? What ...
6
votes
2answers
15k views

How to determine how many variables and what kind of variables a table of data has?

Here's an example regarding what I'm lost on. In the past I've just found myself counting columns to determine how many variables a table has, but I've realized that's totally insufficient. For ...
0
votes
0answers
208 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 ...