fun_report_mig_mult_overlaps: Function to calculate daily migration using overlaps...
In stacomiR: Fish Migration Monitoring
View source: R/report_mig_mult.R
fun_report_mig_mult_overlaps R Documentation
Function to calculate daily migration using overlaps functions
Description
Function to calculate daily migration from migration monitoring whose length is more than one day,
this calculation relies on the (false) assumption that migration is evenly spread over time.
Usage
fun_report_mig_mult_overlaps(time.sequence, datasub, negative = FALSE)
Arguments
time.sequence
the time sequence to be filled in with new data
datasub
the initial dataset
negative
'boolean', default FALSE, TRUE indicates a separate sum for negative and positive migrations
to time.sequence period and summed over the new sequence. A migration operation spanning several days will
be converted to 'daily' values assuming that the migration was regular over time. The function
returns one row per taxa, stages, counting device. It does not account for the destination of taxa. It returns
separate rows for quantities and numbers. Several columns are according to the type of measure (MESURE, CALCULE, PONCTUEL or EXPERT).
Value
A data.frame with daily migrations
Author(s)
Cedric Briand cedric.briand@eptb-vilaine.fr
See Also
calcule,report_mig_mult-method
stacomiR documentation built on May 29, 2024, 10:41 a.m.
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View source: R/report_mig_mult.R
| fun_report_mig_mult_overlaps | R Documentation |
Function to calculate daily migration using overlaps functions
Description
Function to calculate daily migration from migration monitoring whose length is more than one day, this calculation relies on the (false) assumption that migration is evenly spread over time.
Usage
fun_report_mig_mult_overlaps(time.sequence, datasub, negative = FALSE)
Arguments
time.sequence |
the time sequence to be filled in with new data |
datasub |
the initial dataset |
negative |
'boolean', default FALSE, TRUE indicates a separate sum for negative and positive migrations to time.sequence period and summed over the new sequence. A migration operation spanning several days will be converted to 'daily' values assuming that the migration was regular over time. The function returns one row per taxa, stages, counting device. It does not account for the destination of taxa. It returns separate rows for quantities and numbers. Several columns are according to the type of measure (MESURE, CALCULE, PONCTUEL or EXPERT). |
Value
A data.frame with daily migrations
Author(s)
Cedric Briand cedric.briand@eptb-vilaine.fr
See Also
calcule,report_mig_mult-method
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
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