I have the scores of questionnaires for the evalution of psychotherapy outcomes for each session of a short-term psychotherapy (6 cases, 16 sessions for each case). I would like to have a measure of patient improvement by analyzing temporal series.
Email: [email protected] He wrote: Packages for Getting Started with Time Series Analysis in R. "The fundamental time series object is “ts”. However, the “ts” class has a number of limitations, and so it is usually best to work with the extensible time series (“xts”) object.
D1. xts
The xts package offers a number of great tools for data manipulation and aggregation. At it’s core is the xts object, which is essentially a matrix object that can represent time series data at different time increments. Xts is a subclass of the zoo object, and that provides it with a lot of functionality."
https://mathewanalytics.com/2018/02/18/packages-for-getting-started-with-time-series-analysis-in-r/
You could also use repeated measures in SPSS
I'm not exactly in the field but take a look at this online course: https://www.economodel.com/time-series-analysis?fbclid=IwAR2UWHuzp-sa7qfUJKPjp3z8CDOJjSZtS_f-jR8NzsMoonjMETQquNfeDY8 it sounds grate and have R materials!
Take also a look at this facebook group https://www.facebook.com/groups/PsychologicalDynamics/
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