Function reference • migest

Data summaries

sum_bilat(): Summary of bilateral flows, counter-flow and net migration flow

sum_region() sum_country(): Summary of regional in-, out-, turnover and net-migration totals from an origin-destination migration flow matrix or data frame.

sum_lump(): Sum and lump together small flows into a "other" category

sum_expand(): Sum bilateral data to include aggregate bilateral totals for origin and destination meta areas

multi_comp(): Multiplicative component description of origin-destination migration flow tables

multi_comp2(): Multiplicative component descriptions of origin-destination flow tables based on total reference coding system.

Visualisation

mig_chord(): Chord diagram for directional origin-destination data

str_wrap_n(): Wrap character string to fit a target number of lines

Indices

index_age(): Summary indices of migration age profile

index_age_rc(): Summary indices of age migration profile based on parameters from a Rogers and Castro schedule

index_connectivity(): Summary indices of migration connectivity

index_distance(): Summary indices of migration distance

index_impact(): Summary indices of migration impact

index_intensity(): Summary indices of migration intensity

Estimation: flows from stocks

ffs_demo(): Estimation of bilateral migrant flows from bilateral migrant stocks using demographic accounting approaches

ffs_diff(): Estimation of bilateral migrant flows from bilateral migrant stocks using stock differencing approaches

ffs_rates(): Estimation of bilateral migrant flows from bilateral migrant stocks using rates approaches

Estimation: constrained maximisation routines

cm2(): Conditional maximization routine for the indirect estimation of origin-destination migration flow table with known margins

cm3(): Conditional maximization routine for the indirect estimation of origin-destination-migrant type migration flow tables with known origin and destination margins.

cm_net(): Conditional maximization routine for the indirect estimation of origin-destination-type migration flow tables with known net migration totals.

cm_net_tot(): Conditional maximization routine for the indirect estimation of origin-destination-type migration flow tables with known net migration and grand totals.

Estimation: iterative proportional fitting procedures

ipf2(): Iterative proportional fitting routine for the indirect estimation of origin-destination migration flow table with known margins.

ipf3(): Iterative proportional fitting routine for the indirect estimation of origin-destination-migrant type migration flow tables with known origin and destination margins.

ipf2_block(): Iterative proportional fitting routine for the indirect estimation of origin-destination-type migration flow tables with known origin and destination margins and block diagonal elements.

ipf2_stripe(): iterative proportional fitting routine for the indirect estimation of origin-destination-type migration flow tables with known origin and destination margins and stripe elements.

Estimation: net migration

net_sr(): Estimate net migration from survival ratios applied to lifetime migration data

net_vs(): Estimate net migration from vital statistics

Rescaling functions

rescale_net(): Rescale net migration total to a global zero sum

rescale_integer_sum(): Rescale integer vector to a set sum

Rogers Castro model age schedule parameters

rc_model_fund: Fundamental parameters for Rogers-Castro migration schedule

rc_model_un: Model parameters for six Rogers-Castro migration schedules proposed by UN DESA

Creating special matrices

block_matrix(): Create a block matrix with non-uniform block sizes.

stripe_matrix(): Create a stripped matrix with non-uniform block sizes.

Miscellaneous

quadratic_eqn(): Solutions from the quadratic equation

dict_ims: Dictionary to look up region geographies based on countries used in UN DESA International Migrant Stock.

Data

alabama_1970: Alabama population totals in 1960 and 1970 by age, sex and race

bombay_1951: Bombay population totals in 1941 and 1951 by age

indian_sub: Lifetime migration totals for states and zones in the Indian 1901 to 1931

ipumsi_age: Age specific migration and population counts from two IPUMSI samples

italy_area: Single year age-specific origin destination migration flows between Italian NUTS1 areas

korea_gravity: Annual origin destination migration flows between Korean regions alongside selected geographic, economic and demographic variables.

manila_1970: Manila female population 1970 by age

new_england_1960: New England male white-native population totals in 1950 and 1960 by place of birth and age

uar_1960: Lifetime migration data for Governorates of United Arab Republic in 1960

usa_1960: US population totals in 1950 and 1960 by place of birth, age, sex and race