SDC-Report_v1

Input Data

The data set consists of 6945 observations

Information on selected important (key) variables

  • Categorical key variable(s): DISTRICT | URB_RUR | S1AQ3 | S1AQ7 | S1AQ9A_A | S1AQ9A_B | S1AQ9A_C | S1AQ9A_D | S1AQ9B_A | S1AQ9B_B | S1AQ9B_D | S1AQ9B_E
  • Continuous key variable(s): not defined
  • Weight variable: HH_Final_weight
  • householdID: HOUSEHOLD_ID
  • strataVariable(s): not defined

Modifications

  • Modifications on categorical key variables: TRUE
  • Modifications on continuous key variables: NA
  • Modifications using PRAM: FALSE
  • Local suppressions: TRUE

Disclosure risk:

Frequency Analysis for Categorical Key Variables

Number of observations violating

  • 2-Anonymity: 0 (original dataset: 416)
  • 3-Anonymity: 0 (original dataset: 667)

Percentage of observations violating

  • 2-Anonymity: 0.000% (original dataset: 5.990%)
  • 3-Anonymity: 0.000% (original dataset: 9.604%)

Disclosure Risk for Categorical Variables

Expected Percentage of Reidentifications:

  • modified data: 0.026% (~ 1.828 observations)
  • original data: 0.226% (~ 15.693 observations)

10 combinations of categories with highest risks

DISTRICT URB_RUR S1AQ3 S1AQ7 S1AQ9A_A S1AQ9A_B S1AQ9A_C S1AQ9A_D S1AQ9B_A S1AQ9B_B S1AQ9B_D S1AQ9B_E risk fk Fk hier_risk
KENEMA Rural CHIEFDOM AUTHORITIES FOOT NO NO YES 2 NO NO NO NO 0.005 3 276.3379 0.0107685
KAILAHUN Rural BORROWED FOR FREE FOOT YES NO NO 2 NA NO NO NO 0.005 3 278.8659 0.0053502
MOYAMBA Urban NA FOOT YES NO NO 2 NO NO NO NO 0.005 4 269.8818 0.0049161
KONO Rural PURCHASED FOOT NO YES NO 2 NO NO NA NO 0.005 3 310.6591 0.0048951
FALABA Urban ALLOCATED BY FAMILY MEMBER FOOT NO YES NO 2 YES NO NO NO 0.005 3 312.5753 0.0047759
KAILAHUN Rural INHERITED BY THE DEATH OF A FAMILY MEMBER FOOT NO YES YES 1 NO NO NO NO 0.005 4 285.9362 0.0046650
KAILAHUN Rural INHERITED BY THE DEATH OF A FAMILY MEMBER FOOT NO NA YES 1 NO NO NO NO 0.005 4 285.9362 0.0046414
KONO Rural GRANTED BY CUSTOMARY/COMMUNITY AUTHORITIES FOOT NO YES YES 2 NO NO NO NO 0.005 3 321.9723 0.0053428
KONO Rural COMMUNAL MOTOR CYCLE (Okada) NO YES NA 2 NO NO NO NO 0.004 3 334.0767 0.0044993
KENEMA Rural INHERITED BY THE DEATH OF A FAMILY MEMBER FOOT NO YES NA 1 NO NO NO NO 0.004 3 388.3137 0.0038480

Hierarchical risk

  • modified data: 3.135 (0.045%)
  • original data: 25.292 (0.364%)

Data Utility

Frequencies Categorical Key Variables:

Variable: DISTRICT

Categories Original data Modified data
KAILAHUN 1287 1287
KENEMA 781 781
KONO 1051 1050
BOMBALI 268 266
FALABA 206 206
KOINADUGU 119 118
TONKOLILI 778 775
KAMBIA 382 382
KARENE 259 258
PORTLOKO 549 549
BO 440 439
BONTHE 133 132
MOYAMBA 328 328
PUJEHUN 308 308
WESTERN RURAL 56 56
WESTERN URBAN 0 NA
NA NA 10

Variable: URB_RUR

Categories Original data Modified data
Rural 5749 5748
Urban 1128 1114
NA 68 83

Variable: S1AQ3

Categories Original data Modified data
GRANTED BY CUSTOMARY/COMMUNITY AUTHORITIES 637 611
ALLOCATED BY GOVERNMENT 32 19
ALLOCATED BY FAMILY MEMBER 2032 1995
INHERITED BY THE DEATH OF A FAMILY MEMBER 3385 3356
PURCHASED 147 121
RENTED IN, SHORT-TERM (< 3 YEARS) 191 162
RENTED IN, LONG-TERM 67 50
SHARECROPPED IN 9 NA
BORROWED FOR FREE 168 150
BRIDE PRICE 25 20
GIFT FROM NON-HOUSEHOLD MEMBER 56 38
MOVED IN WITHOUT PERMISSION 24 21
CHIEFDOM AUTHORITIES 93 80
COMMUNAL 68 64
OTHER (SPECIFY) 11 2
NA NA 256

Variable: S1AQ7

Categories Original data Modified data
FOOT 6625 6625
BICYCLE 58 NA
MOTOR VEHICLE 31 NA
MOTOR CYCLE (Okada) 176 168
BOAT 55 NA
ON DWELLING 0 NA
OTHER (SPECIFY) 0 128
NA NA 24

Variable: S1AQ9A_A

Categories Original data Modified data
YES 222 191
NO 6723 6717
NA NA 37

Variable: S1AQ9A_B

Categories Original data Modified data
YES 5020 4976
NO 1925 1886
NA NA 83

Variable: S1AQ9A_C

Categories Original data Modified data
YES 1882 1857
NO 5063 5041
NA NA 47

Variable: S1AQ9A_D

Categories Original data Modified data
1 165 149
2 6780 6772
NA NA 24

Variable: S1AQ9B_A

Categories Original data Modified data
YES 718 641
NO 6227 6195
NA NA 109

Variable: S1AQ9B_B

Categories Original data Modified data
YES 122 91
NO 6823 6818
NA NA 36

Variable: S1AQ9B_D

Categories Original data Modified data
YES 51 23
NO 6894 6886
NA NA 36

Variable: S1AQ9B_E

Categories Original data Modified data
YES 28 22
NO 6917 6917
NA NA 6

Local Suppressions

The table below shows for each categorical key variable the number (1st row) and the percentages (2nd row) of suppressed cells.

DISTRICT URB_RUR S1AQ3 S1AQ7 S1AQ9A_A S1AQ9A_B S1AQ9A_C S1AQ9A_D S1AQ9B_A S1AQ9B_B S1AQ9B_D S1AQ9B_E
Number of Suppression 10 15 256 24 37 83 47 24 109 36 36 6
Percentage 0.144 0.216 3.686 0.346 0.533 1.195 0.677 0.346 1.569 0.518 0.518 0.086

R-Code

Session-Info

About the R-Version

  • Version: R version 4.5.2 (2025-10-31 ucrt)
  • Platform: x86_64-w64-mingw32

Locales

LC_COLLATE=English_United States.utf8 | LC_CTYPE=English_United States.utf8 | LC_MONETARY=English_United States.utf8 | LC_NUMERIC=C | LC_TIME=English_United States.utf8

Attached base packages

stats | graphics | grDevices | utils | datasets | methods | base

Other attached packages

labelled (2.16.0) | questionr (0.8.1) | haven (2.5.5) | readxl (1.4.5) | tidyr (1.3.1) | dplyr (1.1.4) | agrisvyr (0.2.0) | sdcMicro (5.7.9)

Packages loaded via Namespace (but not attached)

tidyselect (1.2.1) | viridisLite (0.4.2) | farver (2.1.2) | R.utils (2.13.0) | S7 (0.2.1) | fastmap (1.2.0) | promises (1.5.0) | digest (0.6.38) | mime (0.13) | lifecycle (1.0.4) | cluster (2.1.8.1) | magrittr (2.0.4) | compiler (4.5.2) | rlang (1.1.6) | sass (0.4.10) | tools (4.5.2) | utf8 (1.2.6) | yaml (2.3.10) | data.table (1.17.8) | knitr (1.50) | askpass (1.2.1) | htmlwidgets (1.6.4) | plyr (1.8.9) | xml2 (1.4.1) | RColorBrewer (1.1-3) | miniUI (0.1.2) | withr (3.0.2) | purrr (1.2.0) | R.oo (1.27.1) | grid (4.5.2) | xtable (1.8-4) | data.tree (1.2.0) | ggplot2 (4.0.1) | scales (1.4.0) | MASS (7.3-65) | cli (3.6.5) | rmarkdown (2.30) | crayon (1.5.3) | generics (0.1.4) | otel (0.2.0) | rstudioapi (0.17.1) | robustbase (0.99-6) | tzdb (0.5.0) | cachem (1.1.0) | stringr (1.6.0) | rhandsontable (0.3.8) | cellranger (1.1.0) | vctrs (0.6.5) | jsonlite (2.0.0) | carData (3.0-5) | hms (1.1.4) | systemfonts (1.3.1) | jquerylib (0.1.4) | shinyBS (0.61.1) | glue (1.8.0) | DEoptimR (1.1-4) | DT (0.34.0) | stringi (1.8.7) | gtable (0.3.6) | later (1.4.4) | tibble (3.3.0) | pillar (1.11.1) | htmltools (0.5.8.1) | openssl (2.3.4) | R6 (2.6.1) | textshaping (1.0.4) | evaluate (1.0.5) | shiny (1.11.1) | kableExtra (1.4.0) | readr (2.1.6) | highr (0.11) | R.methodsS3 (1.8.2) | openxlsx (4.2.8.1) | renv (1.1.5) | httpuv (1.6.16) | bslib (0.9.0) | Rcpp (1.1.0) | zip (2.3.3) | svglite (2.2.2) | xfun (0.54) | fs (1.6.6) | forcats (1.0.1) | usethis (3.2.1) | getPass (0.2-4) | prettydoc (0.4.1) | pkgconfig (2.0.3)

Disclaimer

R-Package sdcMicro is developed and maintained by Statistics Austria (www.statistik.at).

Please use the issue-tracker on github to report any issues:

This report was generated on Thu, 09/04/2026 at 11:43:54.