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

Analysis for weighted data and pathways?

Hi, I am looking for any methods to analyse categorical/continuous survey data that also has a weight variable (Eg: Wald test) . Else is it okay to simple define weight variable and add it stata...

11 December 2019 6,956 2 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 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

error in running a model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

error in modelling model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

MGL tools

20 June 2021 0 0 View

i have some problem with chtMultiRegionSimpleFoam

--> FOAM FATAL ERROR: Maximum number of iterations exceeded From function Foam::scalar Foam::species::thermo::T(Foam::scalar, Foam::scalar, Foam::scalar, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar) const) const [with Thermo = Foam::hConstThermo >; Type = Foam::sensibleEnthalpy; Foam::scalar = double; Foam::species::thermo = Foam::species::thermo >, Foam::sensibleEnthalpy>] in file /home/ubuntu/OpenFOAM/OpenFOAM-4.1/src/thermophysicalModels/specie/lnInclude/thermoI.H at line 66. FOAM aborting #0 Foam::error::printStack(Foam::Ostream&) at ??:? #1 Foam::error::abort() at ??:? #2 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::calculate() at ??:? #3 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::correct() at ??:? #4 ? at ??:? #5 __libc_start_main in "/lib/x86_64-linux-gnu/libc.so.6" #6 ? at ??:?

24 March 2021 0 0 View

Binary Logistic Generalized Linear Mixed model in SPSS. Is it doable?

I want to analyses the proportion of swimming sperm of three species of fish in two salinities. To analyse the proportion of swimming sperm in a Generalized Linear Model, I would use a Binary...

03 March 2021 2,297 3 View

Could you recommend any books about Number Theory?

Beginner level books. High level books. Analytical Number Theory. Algebraic Number Theory. Combinatorical Number Theory. Books about partitions. Books about primes.

03 March 2021 7,174 5 View

What kind of intervention will be relevant to increase motivation among young sport trainees?

Any suggestion on what book to read is also welcome.

03 March 2021 1,646 4 View

What test should i use in comparing the correlation between categorical and continuous variables?

Dear all, I have the variable (Surgery duration) represented by values in minutes and the variable (preoperative neuropraxia cases) represented as (Yes/No) values. I want to compare these two...

03 March 2021 5,427 5 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

How to find the mean, SD and CI in SPSS?

Hi, I hope that someone can help me with this task: I have 5 groups of participants which are numbered in SPSS from 1 to 5 (according to their group number) and are all under the variable group....

03 March 2021 506 3 View