for the purpose of saving the data to disk, the parquet is saved as
| unique ID |
time 1 |
... |
time n |
measurement 1 |
... |
measurement n |
| A |
[np.datetime64] |
... |
[np.datetime64] |
# |
... |
# |
| B |
[np.datetime64] |
... |
[np.datetime64] |
# |
... |
# |
want to have it reformatted as:
| time (elapsed seconds since experiment start) |
sample ID |
measurement 1 |
... |
measurement n |
| # |
* |
# |
... |
# |
| # |
* |
# |
... |
# |