Error with calculating rolling z score using rollify in R...

Using the last day in each month of my time series in R...

Transformation of daily prices in monthly log returns...

Create a multi-facets plot with common shaded rectangle (geom_rect)...

tibbletime with tq_transmute producing strange error, column obviously exists but says it doesn'...

Rolling sum within group boundaries...

dplyr and tibbletime. Object is not of class 'til_time'. And general approach to time aggreg...

filtering intraday data R...

tibbletime - previous day's close...

How to create a time series with tibbletime with parameterized dates?...