What is the best way for ploting the powers of some univariate tests for normality in R?

11 December 2015 1,949 5 View

How can i calculate the critical values of a new test for normality with R through a monte carlo simulation for a vector of sample sizes?

some paper may be a guidline for this question..

11 December 2015 2,938 9 View

Steps of computing the power of ols test for normality against alternative distributions using matlab?

Using Monte Carlo simulation - ols test for normality (shalit 2012)

10 November 2015 5,323 7 View

I need the way to estimate the power of zhangwu1 and doornik hansen tests for normality in R found in the package PoweR?

testing for normality .. against any alternative distribution

10 November 2015 1,691 0 View

Plz, can any one help me to compute the following function in R ?

the function to apply in the word file and the data in text file

10 November 2015 9,555 0 View

How can i apply these functions in R?

ols test for normality

09 October 2015 8,132 2 View

What are the steps for graphing the power of different normality tests in the same qq plot using R language?

ols test - SW - D'agostino - LF

08 September 2015 3,472 0 View

How can i estimate the power of different normality tests using R language?

08 September 2015 8,752 3 View

How to compare two groups with only two measurements?

Hiiiii everyone! I have an enquiry on statistical analysis. I was looking for many forum and it's still cannot solve my problem. I want to compare means of two groups of data but only with two...

03 March 2021 8,796 3 View

What is your perception on using visual analysis or quantitative approaches to evaluate data from single-case research designs (n of 1 trials)?

Results of single-case research designs (i.e., n-of-1 trials) are often evaluated by visually inspecting the time-series graph and computing quantitative indices. A question our research team is...

03 March 2021 687 1 View

How to normalise data on OPM package from R Studio ?

Good afternoon, I recently used OmniLog from BIOLOG for my experimentations : I tested the metabolism of different strains on 2 types of plates. I have 16 strains of 3 different groups...

02 March 2021 3,584 1 View

How optimize the Size Exclusion Chromatography?

Hello! I'll do a size exclusion chromatography, but I only have an open column, and I'll perform the peptide extraction from yeast, using buffer lysis (sodium phosphate 50 mM/NaCl 30 mM/DNAse and...

01 March 2021 2,215 2 View

What SPSS analysis should I run with one IV (with two levels) and two DVs?

Hi, I am trying to figure out which test would be most appropriate to run for the following question: Is there a difference in task blood pressure between smokers and non-smokers? There are two...

01 March 2021 8,235 2 View

No title

01 March 2021 3,905 5 View

What test should I use to compare two or three means, if data is not normally distributed but sample size is > 30 in each group?

I personally feel this as a most confusing question. As per my understanding, if sample size is > 30, and sample is skewed, we can still use paramteric approach, as it will follow Z...

01 March 2021 1,587 6 View

Is it necessary to report effect size (ES) in statistics of biomedical research given that we already report p values routinely?

Pls share your thoughts

01 March 2021 7,330 4 View

How can I make stacked bar graph with scatter plot?

I want to make a stacked bar graph with showing each data value as dots. I tried with graph pad prism, version 6, but could not succeed. Does anyone have tried before making such graphs?

01 March 2021 9,383 1 View

How could I take into consideration the weights of observation in a system of seemingly unrelated regressions (SUR) in rstudio?

I build a model of 4 regression equations (probit and OLS) in R studio. I need to take the weights of observations into consideration. While it is simple to do so for every regression equation,...

27 February 2021 1,233 1 View