Statistical Analysis

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Questions related to Statistical Analysis

While executing SEM in R using "Lavaan" package I havent seen anybody mentioning about reliability and validity tests why ? how it can be done?

Specifically while executing structural modelling in R programming, nobody mentions about Indicator reliability test, composite reliability test , convergent validity test, Discriminant validity...

01 December 2021 2,861 2 View

Which statistical test (tests) should I use for my data?

I am looking at a monoculture diatom biofilm growth on five different materials measured at 6 different time points. So my variables are: dependent variable is "cells per mm^2"; independent...

21 November 2021 3,460 6 View

Rhodizonic acid synthesis from inositol without nitric acid?

Dear all I would find a safer route to synthetize rhodizonic acid from Inositol, than oxidizing it with nitric acid to avoid nitrogen dioxide.

21 November 2021 4,424 1 View

SVAR in panel dataset?

I'm working on a project regarding Food inflation. I want to perform a SVAR analysis in a panel dataset. I was looking on Stata documentation and there is VAR command for panel or SVAR for time...

27 October 2021 698 9 View

Reading Krakauer "Did we get sensorimotor...." and Taylor "Implicit adaptation to mirror.." , how I understand the forward model?

I have a doubt with the forward model after reading Tianhe Wang and Taylor “Implicit adaptation to mirror......"，why don't the forward model make the predicted sensory outcome near to the target,...

25 October 2021 6,121 0 View

Which method and statistical package should I use?

Hi all, I hope anyone can help me and save my life! I have been trying to gather as much information as possible to decide which analysis method I should use for my collected data, but I can’t...

11 October 2021 3,933 5 View

What are the challenges in doing a dissertation using only a secondary method and quantitative research?

My dissertation is on analysing particular processes/technology for the specific field and my suggestions for improvement. What are the challenges if my study uses a descriptive research approach...

10 October 2021 6,497 3 View

How to interpret the path coefficients of the structural model in SMART-PLS method ?

Hello all, I have applied the SMART-PLS method to test the relationship among 5 factors. I wonder if I have to mention all the relationships in the interpretation of R² even if it was not...

06 October 2021 920 4 View

If inclusion of interaction term in logistic regression model increases R2 , but interaction term itself is non-significant, should it be included ?

In a logistic regression model after including interaction effect R2 increases significantly, but the p value of interaction term is not significant. Should the interaction term be included in the...

28 September 2021 9,535 6 View

How to run a multigroup analysis with four groups?

Hi, As I want to divide my dataset into four categories, are there any suggestions about how to run a multigroup analysis, by using SmartPLS 3, in order to compare the path coefficients of the 4...

22 September 2021 997 13 View

Can anyone provide me the 5 story building drawings of Pakistan?

Asslam-o-alaikum everyone, I am doing the nonlinear modelling of the structures in perform 3D. I need a 5 story building drawings (architectural + structural) for my thesis project. My thesis is...

22 September 2021 1,857 0 View

How can I measure in ImageJ without a scale?

Hello everyone, I havae taken pictures of Golgi-Cox stained brains in a 100x magnification and am now trying to measure dendritic segments. However, the measurement doesn't seem to make any...

16 September 2021 601 7 View

How to define number of permutations on ANOSIM?

I'm using two way crossed ANOSIM with Time and Treatment to analyze similarities in and between groups. I chose 4999 permutations but that was an arbitrary decision. I'd like to know how to define...

14 September 2021 6,480 3 View

How to express binary logistic regression using relative risk instead of odds ratio on SPSS?

I am interested in conducting binary logistic regression analyses for a cohort study on SPSS, but I would like to use relative risk (RR) to express my results rather than odds ratio (OR). Can...

10 September 2021 3,236 7 View

Mediation for Repeated Measures?

Hi All, I'm conducting a within-subjects research study, and need some help. In the study, participants are I measure participants mindset (Independent Variable), their Job Performance...

31 August 2021 5,939 2 View

Simple method of karyotypes' techniques in plants?

I need a simple method to do karyotype's in plant

11 August 2021 3,608 3 View

How much amount of PVDF is needed to dissolved into DMF for making thin PVDF films?

No, explanation

09 August 2021 2,493 0 View

could we protect our historic buildings & sites more than before with new technology of HBIM and strategic thinking?

I believe technology has helped all field of science while heritage is one of the most valuable subject for people in all over the world. Protecting the heritage is a Serious responsibility...

07 August 2021 4,072 10 View

How to make a forest plot of Odds Ratio (not meta-analysis) in RStudio?

I would like to know if anyone knows how to make a forest plot in R where the ORs, the N and the percentage of the control and experimental group are included ... and if possible that this is...

05 August 2021 7,634 4 View

Can we perform a Random-effects cross-lagged panel model (RE-CLPM) using STATA?

Does any expert know how to perform RE-CLPM in STATA? Here are some details: 1) I have 3 waves of longitudinal data. 2) I would like to see the correlations of the 3 variables among 3...

27 July 2021 5,527 0 View

How do you code someone who's Latinx/Hispanic and South Asian?

Hi All, In the past I have always coded so that I have Non-Hispanic Black, Non-Hispanic White, then South Asian, Native American, etc. However, I find more and more people respond as both...

21 July 2021 1,696 1 View

How to prepare a stock solution of commercially available essential oil for checking invitro acaricidal activity , and how to make working solutions ?

how to prepare a stock solution of commercially available essential oil for checking invitro acaricidal activity , and how to make working solutions from that stock solution. plz guide . what is...

15 July 2021 1,586 4 View

Why are sponges more dominant in some coral reefs than macro-algae?

We have seen many coral reefs. Some of these are algae staple because they are rich in nutrients. However, in such a situation we observed a coral reef dominated by Sponges. Physical and other...

06 July 2021 1,027 5 View

Which is the best software to do haplotype analysis ?

I have 15 SNPs data and I am interested in haplotype analysis, someone can guide me ?

05 July 2021 6,902 11 View

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