17 Questions 25 Answers 0 Followers
Questions related from Sharmistha Bhattacherjee
I have an ordinal regression model and I would like to depict the proportional odds graphically. Can somebody please help me regarding the best software to do it? Can I do it with jmp?
02 February 2019 2,993 3 View
In sample size calculations, where do we use absolute and relative precision? Is relative precision indicated where the population size is finite and known to us and vice versa?
01 January 2019 6,443 2 View
We have prepared a scatter plot with two continuous variables using Graphboard Template Chooser in SPSS. We have tried to arrange the size of dots and add data labels. However, we cannot add the...
06 June 2018 3,235 3 View
I am analyzing a data set in which the outcome variable is with count data with large variance, the maximum of which is 84751821 and the minimum is 1. The predictor variables are continuous in...
03 March 2018 5,008 3 View
I have a dataset with an ordinal outcome variable (3 categories) and a few inary predictor variables. I have run the ologit command in STATA and in response got coefficients and p value for each...
10 October 2017 2,961 3 View
I have a SPSS dataset in which I detected some significant outliers. The outliers were detected by boxplot and 5% trimmed mean. How do I deal with these outliers before doing linear regression?...
08 August 2017 4,833 7 View
We are planning to do a study to find out the effect of sociodemographic background, school-related factors, social and parental support on the educational and professional aspirations of high...
05 May 2017 8,300 4 View
As we all know, way of teaching and learning medical science is rapidly changing. The recent focus is on Competency based medical education. My question is how do we implement competency based...
03 March 2017 5,946 4 View
Both studies start with a control group and try to find out the association between cause and effect. So where does the difference lie?
01 January 2017 9,575 3 View
Your toughest technical questions will likely get answered within 48 hours on ResearchGate, the professional network for scientists.
01 January 2017 8,634 0 View
There are so many assumptions to fulfil before running linear regression (Linear relationship, Multivariate normality, multicollinearity, auto-correlation, homoscedasticity, independence). How do...
12 December 2016 7,433 11 View
We have drawn ROC curve using SPSS. However, the ROC curves were not smooth. Does anyone know how to smoothen a ROC curve using SPSS?
12 December 2016 8,898 5 View
We are planning to study the suicidal intent among suicide survivors in a tertiary care hospital. We are planning to use Beck's suicide intent scale. My question is, are there any other scales...
12 December 2016 7,011 4 View
In a study, we are planning to do a linear regression analysis. All the assumptions of regression (Linear relationship, homoscedasticity, no multicollinearity) were fulfilled. However, the...
12 December 2016 5,691 12 View
Read 6 answers by scientists with 5 recommendations from their colleagues to the question asked by Sharmistha Bhattacherjee on Nov 6, 2016
11 November 2016 7,565 5 View
Read 2 answers by scientists with 1 recommendation from their colleagues to the question asked by Sharmistha Bhattacherjee on Nov 15, 2016
11 November 2016 2,886 2 View
We have mortality data over five years.. What is the best way to analyse time trends in these data? Which is the best statistical software to study these trends?
01 January 1970 1,675 9 View
