Analysis for weighted data and pathways?

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Advanced analysis of summary data of 2 different surveys?

Hi, I am doing a state wise comparison of nutrition related data of 2 different surveys and I am using their state wise estimates. I have raw data for only 1 data set and I understand that I...

31 December 2019 207 3 View

Association between count & categorical variables?

Hi, I want to check the test I can use for determining association between a count/discrete variable (Eg: No of health visits for particular disease) and categorical variable (types of...

11 December 2019 2,912 7 View

Suitability of T test or One way Anova?

Hi, I have patient data of 3 hospitals (n>200).. Given my sample size, I want to check whether they are significant differences in outcomes (mean) on basis of certain parameters ( eg groups like...

05 June 2019 9,755 11 View

Checking interaction effect in multiple linear model?

Hi, I need help on the interpretation of interaction term (var 1 * var 2) on DV. The model would have 3- 4 and I want to check whether one of them influences each other. IV are continous and 1...

05 June 2019 2,291 7 View

Suitability of Poisson Regression?

Hi, I am looking at dietary diversity (7 food group score data) as a dependent variable and with 2 continous and 2 categorical variables as independent variables.. Is poisson regression okay for...

04 May 2019 315 6 View

Books on biostatistics?

Hi, Please recommend good books that help with biostatistics through Stata , r , tableau ?

11 December 2018 2,929 5 View

Books on grounded theory ?

Hi, I am looking at books on understanding grounded theory as research tool. I don't want to know theories but examples of research done

10 November 2018 8,531 4 View

Interpretation of Dummy Variable ?

Hi, I have done a linear model with 3 IV including female dummy on weight for height Z score.. I need help with understanding the effect of coeff value (positive value) with regards to intercept...

10 November 2018 4,584 4 View

Compare whether differences in 2 different sample studies are significant?

Hi, I am looking to do a comparison between results of my primary data study on nutrition outcomes with data from a standard health survey (NFHS). My study was done for only malnourished children...

09 October 2018 7,874 5 View

SES Scales or indices for rural population?

Hi, I am looking to develop a asset or standard of living index (based on weightage) for remote rural community. I find the current scales to be urban based.. please recommend

08 September 2018 1,107 4 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

Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence?

I am on the lookout for the Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence. Does anyone know where I can find it? Thank you in advance

03 March 2021 3,568 1 View

What kind of fluid could I use for a pitfall trap that also does not invalidate molecular testing?

Hi, I want to start testing pitfall trap to obtain ants samples, but I need to conduct molecular analysis on those insects. So, what kind of fluid can I use? Ethanol expires too early and I need...

03 March 2021 5,978 5 View

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10?

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10? Since, the growth curve from day 2 to 10 won't be like the "Logistic curve" it might not follow logistic...

03 March 2021 1,401 3 View

Logistical regression using SPSS for a dichotomous dependent variable, with an independent variable of 1, 2, 5 and 10 seconds?

I have an experiment with 28 participants The independent variable is the times 1, 2, 5, and 10 used as the cross hairs during a task These 4 times were tested using 4 different blocks, each...

03 March 2021 9,692 2 View

Do we need to write protocol for a second study of a systematic review that has been registered and published?

I have conducted and published a systematic review and meta-analysis research with the topic related to public health and health pomotion (protocol was registed in PROSPERO). Now we want to...

03 March 2021 8,920 3 View

How to increase a model accuracy ?

dear community, my model is based feature extraction from non stationary signals using discrete Wavelet Transform and then using statistical features then machine learning classifiers in order to...

03 March 2021 6,994 5 View

1. What is the impact of having different scales in a survey? and how can we solve this problem before and after data collection (Literature)?

1. What is the impact of having different scales in a survey? and how can we solve this problem before and after data collection (Literature-based reflection)? Thank you for your time and for...

03 March 2021 2,870 3 View

What degree of missing data in a particular case/participant results in Expectation-Maximisation no longer working?

I'm dealing with a mediation model and am using the PROCESS module in SPSS. Due to SPSS and PROCESS being limited in the imputation methods - being unable to handle multiple imputation - the other...

02 March 2021 4,362 1 View

Do I need to do linear regression before running mediation analysis using PROCESS MACRO by Hayes ?

I just wanted to check if I need to run a linear regression separately if I am using PROCESS MACRO to run mediation analysis. Thank you.

02 March 2021 4,359 3 View