Error(s) in re-building vignettes:
  ...
--- re-building ‘Introduction-to-doremi.Rmd’ using rmarkdown

Quitting from Introduction-to-doremi.Rmd:37-52 [unnamed-chunk-2]
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
<error/rlang_error>
Error in `[.data.table`:
! attempt access index 1/1 in VECTOR_ELT
---
Backtrace:
    ▆
 1. └─doremi::generate.panel.1order(...)
 2.   ├─data[, `:=`(time, time), by = id]
 3.   └─data.table:::`[.data.table`(data, , `:=`(time, time), by = id)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Error: processing vignette 'Introduction-to-doremi.Rmd' failed with diagnostics:
attempt access index 1/1 in VECTOR_ELT
--- failed re-building ‘Introduction-to-doremi.Rmd’

--- re-building ‘derivatives.Rmd’ using rmarkdown

Quitting from derivatives.Rmd:98-105 [unnamed-chunk-6]
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
<error/rlang_error>
Error in `[.data.table`:
! attempt access index 7/7 in VECTOR_ELT
---
Backtrace:
    ▆
 1. ├─...[]
 2. └─data.table:::`[.data.table`(...)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Error: processing vignette 'derivatives.Rmd' failed with diagnostics:
attempt access index 7/7 in VECTOR_ELT
--- failed re-building ‘derivatives.Rmd’

--- re-building ‘first-order.Rmd’ using rmarkdown

Quitting from first-order.Rmd:109-114 [simulation example1a]
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
<error/rlang_error>
Error in `[.data.table`:
! attempt access index 1/1 in VECTOR_ELT
---
Backtrace:
    ▆
 1. └─doremi::generate.panel.1order(...)
 2.   ├─data[, `:=`(time, time), by = id]
 3.   └─data.table:::`[.data.table`(data, , `:=`(time, time), by = id)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Error: processing vignette 'first-order.Rmd' failed with diagnostics:
attempt access index 1/1 in VECTOR_ELT
--- failed re-building ‘first-order.Rmd’

--- re-building ‘second-order.Rmd’ using rmarkdown

Quitting from second-order.Rmd:110-122 [simulation example 1]
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
<error/rlang_error>
Error in `[.data.table`:
! attempt access index 1/1 in VECTOR_ELT
---
Backtrace:
    ▆
 1. └─doremi::generate.panel.2order(...)
 2.   ├─data[, `:=`(time, time), by = id]
 3.   └─data.table:::`[.data.table`(data, , `:=`(time, time), by = id)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Error: processing vignette 'second-order.Rmd' failed with diagnostics:
attempt access index 1/1 in VECTOR_ELT
--- failed re-building ‘second-order.Rmd’

SUMMARY: processing the following files failed:
  ‘Introduction-to-doremi.Rmd’ ‘derivatives.Rmd’ ‘first-order.Rmd’
  ‘second-order.Rmd’

Error: Vignette re-building failed.
Execution halted