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Questions tagged [tables]

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0answers
20 views

Calculating growth rate from a baseline of exactly zero

Say we have a series of month-on-month figures like the following, and we want to get the growth rate between the two periods: ...
1
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1answer
44 views

Data Visualization: Summary Statistics

I have 10,463 observations of crop yield data, however, they are subdivided into 6 crops (~2000 obs each). I am wondering if it is best to report a summary statistics table by crop (maybe 3 crops per ...
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0answers
19 views

How to represent this R data in a table?

I have performed a binomial test, Wilcoxon and Barnard test in a data set in R, but I want to present the results in a better way, for example on a table. It might sound silly, but I do not know which ...
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1answer
52 views

What percent of males in the sample own their own home?

I said it was (males who own a house) divided by total number of males: 132 / (132 + 50) which equals to 72.5% However, my professor seems to think it is the # of male who own the house divided by ...
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1answer
92 views

How many variables do i have in this data set?

I would like to buy stata, but the flavor states 2048 variables maximum for the cheapest one, and 32767 for the next cheapest. My data set is from export data, I want to know if the column for ...
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0answers
28 views

Presenting results from a regression with several lags of several independant variables

I have an OLS regression with several independent variables lagged several times. This means I have many coefficients and standard errors to present, making up a lot of rows in a table. A standard ...
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1answer
102 views

Interpreting results for interaction term continuous continuous and presenting them in tables

I have run a series of analyses aiming to explore the association between a clinical score (it is a scale that goes from 0 to 15) and selected study outcomes. It is an imbalanced individual level ...
0
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1answer
35 views

Is there a generalisation of Wilcoxcon paired sign-rank test to compare more than two connected samples?

I have a table where columns denote customer, row-supplier, cell- total amount of items, sold by supplier to customer. I have a zero hypothesis(H0) about random choise of customers and H1 hypothesis(...
0
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1answer
68 views

Ambiguity about the confusion table: is it simply a calculation error or a technical consideration?

This table is the one from the paper entitled as: S. Wu, T. H. Falk, W. Y. Chan, ``Automatic speech emotion recognition using modulation spectral features", Speech Communication, vol. 53, no. 5, pp. ...
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1answer
35 views

Does this table structure have an specific name?

I'd like to know if this table structure has a particular name. How can I determine the tendency for 2017-09?
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1answer
4k 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 ...
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3answers
2k views

Beta Coefficient range

Is there a table of range for beta coefficients used in multiple linear regression that we can use to interpret if influence is strong, very strong, weak or very weak. Thanks!
4
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1answer
7k 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-...
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0answers
39 views

How to choose critical F value from statistical tables when the df is large? [duplicate]

For an F(2, 237) distribution, how should I determine a critical F value from a statistical table? Would I look up (2, 150) or (2, 300)? Should it simply be the closest degrees of freedom?
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0answers
138 views

Question about some of Sir Francis Galton's table in his book

n Sir Francis Galton's book, "Natural Inheritance" (found here: www.mugu.com/galton/books/natural-inheritance/pdf/galton-nat-inh-1up-clean.pdf) in particular table 12 and 13 on page 209 & pg 210 I ...
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0answers
158 views

How to convert a graph into a table [duplicate]

I have seen lots of examples of how to create a table in R from a data.frame, but my question is how can I create a table from a ...
61
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3answers
5k views

Who created the first standard normal table?

I'm about to introduce the standard normal table in my introductory statistics class, and that got me wondering: who created the first standard normal table? How did they do it before computers came ...
25
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1answer
2k views

Statistical tables in old books purposefully wrong?

I remember having read a while ago that in old (pre-computer days) books, the last digits of the theoretical quantiles shown in the appendices were inaccurate in order to discourage plagiarism (the ...
1
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1answer
53 views

is it preferable to use one table for all data or store each case individually? [closed]

For example, I have file with data on 3 cars, 3 boats, 3 motorcycles: ...
1
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1answer
2k views

How to get column-wise frequencies in R? [closed]

Let's suppose I have the following matrix: some_matrix <- matrix(c(2,2,2,1,3,1,3,1,3),nrow=3,ncol=3) I am trying to get the frequencies of the values 1,2 and ...
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1answer
87 views

How to report large number of p.values in a table?

I have been comparing 13 groups to one another to assess significant differences. The simplest method of writing this up was a table, and there are numerous significant and non-significant results, ...
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2answers
13k 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 ...
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0answers
106 views

t.test applied in pairs to more than two samples in R

I have 44 samples where I only have its sample size, average and 1 standard deviation. I asked about the possibility of doing a t.test and some of you returned the answer: ...
2
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1answer
66 views

One-mode network (data transformation)

I'm looking for a solution to perform network analysis among my data set. My database is shaped like this : Table 1 : ...
2
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1answer
29 views

How to display potential outage when usage fluctuates greatly among customers?

I work for a Health Information Exchange. We have numerous "participants". Some send hundreds of messages a day, some might go a day or two without sending any messages. I'm creating a daily report ...
0
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1answer
335 views

How could i use r to add data to a table? [closed]

I am looking for an approach. We have a historical table with the consumption per week of a list of items (19.000 item). We want to predict the consumption for the next n weeks. We are thinking on ...
2
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1answer
132 views
1
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1answer
2k views

Critical value for Wilcoxon one-sample signed-rank test in R

I am trying to find the critical value for the Wilcoxon one-sample signed-rank test. Currently, I can find the value using tables. I looked at qwilcox() in R, but ...
7
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2answers
2k 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 ...
0
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0answers
503 views

how to report p-values from t-test and ks test in the same table for publication?

I want to show in a table that two samples are different in a number of attributes (or not different). I want to report the mean, st.err. and the stars at conventional values of p-value from a t-test ...
3
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0answers
418 views

Does N-1 correction for Pearson's Chi-Square apply to r x c tables generally?

Campbell (2007) recommended what he called the "N-1" correction for chi-square tests performed on two-by-two contingency tables. He described the correction as: "the K. Pearson chi-squared test but ...
2
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2answers
10k views

Cross tabulation of two variables with resulting average and SD [closed]

I am beginner of R software. I am looking for two variables and result cross tabulated but not in the form of frequencies. Could I get help on how to get result as average and standard deviation ...
3
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3answers
4k views

Is there an R equivalent for the SPSS custom Tables feature? [closed]

I have used the custom tables feature in SPSS for my job almost every day. I am trying to learn R. How can I recreate the custom tables functionality in R? Is there some specific package that I need ...
3
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1answer
15k 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 ...
3
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1answer
180 views

A tool to analyze multidimensional tabular data

I have a bunch of data in the following format: Count|| Fruit |Fruit Col.|| Veget. |Veg.Col.|| Spice --------------------------------------------------------- 123 || Apple | Red || Carrot ...
11
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2answers
4k views

Best Practices for Creating 'Tidy Data'

Hadley Wickham wrote a stellar article called "Tidy Data" (link) in JSS last year about data manipulation and getting the data into an "optimal" condition in order to perform analysis. However, I was ...
3
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1answer
229 views

Problem with factorial design in Minitab

I'm having a problem with a factorial design in Minitab, as it is not as clear how to proceed as all problems I've had thus far. The problem is to create a factorial design with two factors where the ...
0
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1answer
1k views

Bayes' Rule - Law of Conditional Probability

A market research firms conducts studies regarding the success of new products. The company is not always perfect in predicting the success. Suppose that there is a 50% chance that any new product ...
19
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1answer
51k 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 ...
2
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1answer
297 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
1k 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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1answer
6k 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 ...
8
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1answer
36k 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 ...
1
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1answer
404 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 ...
1
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0answers
150 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 ...
0
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0answers
206 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
542 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
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1answer
181 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 ...
2
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1answer
167 views

What do you call adding zeros to a table of frequency counts of consecutive integers where the given integer does not occur

I am wondering what the proper term is, for when a table like this (where values that did not occur are omitted entirely): ...
13
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2answers
10k 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 ...