SMD, HMigD etc added

readme.md

@@ -192,8 +192,8 @@ chronologically.
 - [Hamilton-Perry Projection with Components and Stable Population Information Code](https://raw.githubusercontent.com/AppliedDemogToolbox/Hunsinger_CCRStable/master/CCRStable.R) by Hunsinger, E. (2020)
 - [HMD2R: Human Mortality Database Data Grabber](https://github.com/AppliedDemogToolbox/Boe_HMD2R/raw/master/HMD2R.R) by Boe, C. (2012)
 - [HMDHFDplus: Read Human Mortality Database and Human Fertility Database Data from the Web](https://cran.r-project.org/web/packages/HMDHFDplus/index.html) by Riffe, T., Boe, C., Hilton, J., Goldstein, J., Holzman, S., & Yoo, S. H. (2025)
-- [Iterative Proportional Fitting R Code](https://github.com/AppliedDemogToolbox/IPF_R/raw/master/IPF.zip) by Tomlinson, N., & Hunsinger, E. (2011)
 - [ipumsr: An R Interface for Downloading, Reading, and Handling IPUMS Data](https://cran.r-project.org/web/packages/ipumsr/) by Ellis, G. F., Burk, D., Roberts, F., Grover, J., Ehrlich, D., Rodgers, R., & Innovation, I. for S. R. and D. (2026)
+- [Iterative Proportional Fitting R Code](https://github.com/AppliedDemogToolbox/IPF_R/raw/master/IPF.zip) by Tomlinson, N., & Hunsinger, E. (2011)
 - [Kannisto Extrapolation of Mortality Rates to Oldest Ages (Kannisto.R)](https://bonecave.schmert.net/Kannisto.html) by Schmertmann, C. (2022)
 - [LexisPlotR: Plot Lexis Diagrams for Demographic Purposes](https://cran.r-project.org/web/packages/LexisPlotR/index.html) by Ottolinger, P., & Smilde-Becker, M. (2020)
 - [Median Age Calculation Code](https://github.com/AppliedDemogToolbox/Hunsinger_MedianAge/raw/master/MedianAge.R) by Hunsinger, E. (2011)
@@ -214,6 +214,7 @@ chronologically.
 - [Stochastic Population Forecast Code](https://github.com/AppliedDemogToolbox/Hunsinger_StochasticForecast/raw/master/ForecastScript_AK.R) by Hunsinger, E. (2011)
 - [tidycensus: Load US Census Boundary and Attribute Data as “tidyverse” and ’sf’-Ready Data Frames](https://cran.r-project.org/web/packages/tidycensus/) by Walker, K., Herman, M., & Eberwein, K. (2026)
 - [TwoTimeScales: Analysis of Event Data with Two Time Scales](https://cloud.r-project.org/web/packages/TwoTimeScales/index.html) by Carollo, A., Eilers, P. H. C., & Gampe, J. (2026)
+- [UndercountMigScores]() by Maciej J. Dańko (2024)
 - [ungroup: Penalized Composite Link Model for Efficient Estimation of Smooth Distributions from Coarsely Binned Data](https://cran.r-project.org/web/packages/ungroup/index.html) by Pascariu, M. D., Rizzi, S., Schoeley, J., & Danko, M. J. (2024)
 - [vital: Tidy Analysis Tools for Mortality, Fertility, Migration and Population Data](https://cran.r-project.org/web/packages/vital/index.html) by Hyndman, R., Tang, S., McBain, M., & O’Hara-Wild, M. (2025)
 - [wcde: Download Data from the Wittgenstein Centre Human Capital Data Explorer](https://cran.r-project.org/web/packages/wcde/index.html) by Abel, G. J., K.C, S., Potancokova, M., Reiter, C., Tamburini, A., & Yildiz, D. (2024)
@@ -283,15 +284,22 @@ chronologically.
 - [HUD Zip Code Crosswalk Files](https://www.huduser.gov/portal/datasets/usps_crosswalk.html) by US Department of Housing and Urban Development (2018)
 - [Human Fertility Database](http://www.humanfertility.org/) by Human Fertility Database Project (2011)
 - [Human Life-Table Database](https://www.lifetable.de/) by Human Mortality Database Project (2022)
+- [Human Migration Database (HMigD)](https://www.demogr.mpg.de/en/research_6120/digital_and_computational_demography_zagheni_11666/migration_and_mobility_11669/measuring_and_modeling_migration_and_mobility_11671/the_human_migration_database_hmigd_12092/details)
 - [Human Mortality Database](http://www.mortality.org/) by Human Mortality Database Project (2011)
 - [IPUMS NHGIS: National Historical Geographic Information System](https://www.nhgis.org/) by IPUMS (2013)
 - [IPUMS](http://www.ipums.org/) by IPUMS (2011)
 - [IRS Migration Data](http://www.irs.gov/uac/SOI-Tax-Stats-Migration-Data) by IRS Tax Statistics (2013)
 - [Latin American Human Mortality Database](https://lamortalidad.github.io/) by Urdinola, B., & Queiroz, B. L. (2022)
 - [Lives, Choices and Futures - Demographic Futures Survey United Nations Population Fund](https://www.unfpa.org/publications/lives-choices-and-futures-demographic-futures-survey)
+- [Migration data portal](https://www.migrationdataportal.org/)
+- [Net Migration by Decade, 1950-2020](https://netmigration.wisc.edu/)
 - [Population and Housing Unit Estimates (PEP)](https://www.census.gov/programs-surveys/popest.html) by US Census Bureau (2022)
+- [QuantMig](https://www.quantmig.eu/data_and_estimates/data_inventory/)
+- [Scholarly Migration Database](https://www.scholarlymigration.org/)
+- [Short-term Mortality Fluctuations](https://mpidr.shinyapps.io/stmortality/)
 - [The Association of Religion Data Archives](http://www.thearda.com/) by Association of Religion Data Archives (2013)
 - [The DHS Program Quality information to plan, monitor and improve population, health, and nutrition programs](https://dhsprogram.com/)
+- [The global flow of people](https://download.gsb.bund.de/BIB/global_flow/) by Sander N., Abel G. J. and Bauer R. (2014)
 - [TIGER: Topologically Integrated Geographic Encoding and Referencing](https://www.census.gov/programs-surveys/geography/guidance/tiger-data-products-guide.html) by US Census Bureau (2017)
 - [United States Mortality Database](https://usa.mortality.org/) by Human Mortality Database Project (2019)
 - [US Census Bureau Datasets (www2)](http://www2.census.gov/) by US Census Bureau (2011)
@@ -308,7 +316,7 @@ chronologically.
 
 - [Applied Demography Toolbox](https://applieddemogtoolbox.github.io/) and [here](https://github.com/AppliedDemogToolbox/applieddemogtoolbox.github.io)
 - [BayesPop; materials by group at the University of Washington](https://bayespop.csss.washington.edu/)
-
+- [Taxonomy of migration research](https://migrationresearch.com/taxonomies)
 
 ### GitHub Organizations