Repeat first row per group id for time-varying variables in R data frame...

Linear Mixed Effect Model in R will not converge...

Clustering longitudinal data with labels?...

Microsoft SQL join on longitudinal data...

In a longitudinal dataset, how to create a status variable 0/1 depending on a second, diagnostic var...

Merging data to create a longitudinal dataframe in R...

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estimating percent trend of category variable per year in Stata...

MicrobiomeTest::generate_alpha_trend_test_long() not recognising rownames and columns...

R - How to show multiple lines with different x-axis values (dates) in ggplot2?...

Group based trajectory modeling in R...

Exploring data coverage for different time point ranges in longitudinal (weekly) data...

Filtering longitudinal data by last recorded event, and counting number of rows that meet criteria (...

Longitudinal dataset: counting the number of repeats and storing the value in a variable...

Regression tree size in the context of state sequence analysis using TraMineR in R...

Nested sample design in mgcv syntax...

How to check for homoscedasticity in a mixed effect model with longitudinal data in r...

Finding observations occuring more than 3 times in longitudinal data...

Remove single observations then duplicate remaining observations...

Collapsing longitudinal data into time periods by identifier with dplyr...

Turn wide format into longitudinal data format...

Make ggplot connect datapoints in a scatterplot chronologically...

calculating incidence of disease in R using start and end date and disease occurrence date...

Recode id in different time spans...

Generate a Pandas dataframe for joining longitudinal data...

To convert wide dataframe into longitudinal format with more than more than two columns...

Can the mlr package be used to make predictions based on data from a panel study?...

How to keep rows with 1 year follow up time before and after a date variable in R making sure the pa...

how to create a count variable that counts based on the value of a binary variable in R using dplyr...

Create a study end date variable based on death, transfer and data collection dates in R...