calc_N: Cohort Size N
In insectecol: Insect Ecology Data Analysis Toolkit
View source: R/lifetable_indicators.R
calc_N R Documentation
Cohort Size N
Description
The number of individuals in the raw data set, i.e. the number of
newly hatched eggs with which the cohort started. All survival rates
of the age-stage, two-sex life table are expressed as proportions of
this cohort size.
Usage
calc_N(lt)
Arguments
lt
A life_table object returned by
lifeTable_read.
Value
A single numeric value: the number of data rows.
References
Chi, H. (1988) Life-table analysis incorporating both
sexes and variable development rates among individuals.
Environmental Entomology 17(1), 26-34.
See Also
lifeTable_calculate_all computes all parameters at once.
Examples
f <- system.file("extdata", "lifetable_example.csv", package = "insectecol")
lt <- lifeTable_read(f)
calc_N(lt)
insectecol documentation built on Oct. 5, 2026, 5:08 p.m.
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View source: R/lifetable_indicators.R
| calc_N | R Documentation |
Cohort Size N
Description
The number of individuals in the raw data set, i.e. the number of newly hatched eggs with which the cohort started. All survival rates of the age-stage, two-sex life table are expressed as proportions of this cohort size.
Usage
calc_N(lt)
Arguments
lt |
A |
Value
A single numeric value: the number of data rows.
References
Chi, H. (1988) Life-table analysis incorporating both sexes and variable development rates among individuals. Environmental Entomology 17(1), 26-34.
See Also
lifeTable_calculate_all computes all parameters at once.
Examples
f <- system.file("extdata", "lifetable_example.csv", package = "insectecol")
lt <- lifeTable_read(f)
calc_N(lt)
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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