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About the Researchers category (1)
Do your Rx dispensation data have refills? (USA vs other countries) (4)
Access to databases (4)
How can I calculate the mean value of the laboratory test result of a defined cohort in Atlas? (3)
Atlas: data density (3)
Estimation error: what is the mean of "Currently only MDRR for Cox is supported" when using atlas to do estimation? (5)
Cohort definition: why the cohort definition is exactly 2 distinct occur, but in the cohort there still are persons who have only one drug (11)
Characterisation by subgroups (custom covariates) (1)
IUD Study Updates (18)
Opioid use disorder/substance use disorder (20)
OHDSI MSK research group (4)
How to select one event from multiple events of a subject for analysis? (2)
Amyloidosis (8)
Solved: PLE Package Error - Redshift Syntax for CreateAllCohorts at NegativeControls (3)
About condition limiting days_to_event (1)
Request for papers for special issue on Predictive Modelling, Data Sharing, and Data Management (1)
Counts needed for negative controls? (4)
The meaning of 'minDaysAtRisk' argument (2)
Barcelona study-a-thon: call for collaborators for studies on treatment for rheumatoid arthritis (15)
Net Reclassification Improvement - Model Metrics (1)
Custom covariate in PLE for PS matching (4)
What is a phenotype in the context of observational research? ( 2 3 ) (45)
What is events per variable for logistic regression? (1)
ESTIMATION: how to set the Control time in a self-controlled cohort? (3)
Empty cohort issue only occurred on KNN, Naive Bayes, Neural Network, DeepNN model (3)
Balancing Covariates in a PLE Package (1)
Error while running a PLE package (3)
Custom covariates for PS (10)
Phenotype basics for beginners (4)
Trends in LEGEND-HTN effect estimates (2)