dateFile dateDate associated with the original daily CSV file, derived from the filename in ISO 8601 format.dateYYYY-MM-DDdayempty string | N/A | NA | NULL | NaN | None | nan | none | nullTrue2020-09-188058245208058245210curationAdded during consolidation for source-file traceability. It is not a substitute for the UTC ping timestamp.lowtraceabilityUse for grouping or auditing source files; use timestamp for the actual ping time. source_fileSource daily fileOriginal daily CSV filename from which the record was read.stringfile nameempty string | N/A | NA | NULL | NaN | None | nan | none | nullTrue2020-09-18.csv8058245208058245214curationAdded during consolidation to preserve record-level provenance.lowtraceabilityUse to trace any row back to its daily source file. unnamed_column_1Original unnamed columnOriginal unlabeled integer column preserved from the source export. It appears to function as a row index or source-export sequence field.integerindex-like valueempty string | N/A | NA | NULL | NaN | None | nan | none | nullTrue1805824520805824527source_exportPreserved for fidelity to the received files. It should not be interpreted as a scientific mobility variable.lowtechnical provenanceDo not use as a person, device, spatial, or temporal identifier. id_advDevice identifierPersistent alphanumeric identifier associated with a mobile device in the source data. It links pings generated by the same device over time.stringidentifierempty string | N/A | NA | NULL | NaN | None | nan | none | nullTrue8d3181f40e52d405f99172286dd888be248acefc858de5a328fc17ca535243458058245208058245264source_csvThe related publication reports 306,963 device identifiers. The identifier is not a direct personal name, but it enables longitudinal mobility analysis and must be treated as sensitive.highlongitudinal linkageUse only for scientific mobility analysis. Do not attempt re-identification, profiling, contact, or inference of personal routines. timestampPing timestampDate and time when the ping was recorded, expressed in UTC.datetimeYYYY-MM-DD HH:MM:SSUTC timeempty string | N/A | NA | NULL | NaN | None | nan | none | nullTrue2020-09-18 11:52:188058245208058245219source_csvConvert to UTC−07:00 for Hermosillo local time analyses. In pandas, Etc/GMT+7 corresponds to UTC−07:00. The file date and timestamp are distinct concepts.hightemporal observationUse with care in combination with id_adv and coordinates. Avoid publishing fine-grained examples linked to a device. latLatitudeGPS latitude of the ping in decimal degrees, using WGS84 geographic coordinates (EPSG:4326).numberdecimal degrees; WGS84 / EPSG:4326degrees northempty string | N/A | NA | NULL | NaN | None | nan | none | nullTrue29.0792318058245208058245216source_csvThe related study reports latitude values approximately ranging from 28.9753 to 29.1960. Coordinates are GPS observations, not deterministic proof of exact physical presence.highspatial observationAggregate to appropriate spatial units for publication of derived results. Avoid exposing device-level trajectories in examples. lonLongitudeGPS longitude of the ping in decimal degrees, using WGS84 geographic coordinates (EPSG:4326).numberdecimal degrees; WGS84 / EPSG:4326degrees east/westempty string | N/A | NA | NULL | NaN | None | nan | none | nullTrue-110.9998868058245208058245217source_csvThe related study reports longitude values approximately ranging from -111.1002 to -110.8457. Coordinates are GPS observations, not deterministic proof of exact physical presence.highspatial observationAggregate to appropriate spatial units for publication of derived results. Avoid exposing device-level trajectories in examples. genderGender categoryGender category associated with the device or user profile in the original source data.stringcategoryfemale | maleempty string | N/A | NA | NULL | NaN | None | nan | none | nullTruemale805824520805824526source_csvSource-provided categorical attribute; not independently verified by the dataset curators.mediumdemographic covariateUse as a categorical source attribute and document any filtering or stratification based on this field. countryCountry codeCountry code associated with the device or user profile in the original source data; it is not a spatial observation field.stringISO 3166-1 alpha-2 style codecategoryAR | BR | CL | CN | CO | ES | GT | JO | MX | PE | USempty string | N/A | NA | NULL | NaN | None | nan | none | nullTrueMX805824520805824522source_csvThe observed values are two-letter country codes. The field is source-provided and should not be interpreted as the geographic location of the ping.mediumdemographic/source covariateUse as a categorical source attribute. Most records are expected to correspond to Mexico in this Hermosillo dataset. ageAge groupAge band associated with the device or user profile in the original source data.stringage band12-17 | 18-25 | 26-40 | 41-55 | >55empty string | N/A | NA | NULL | NaN | None | nan | none | nullTrue>55805824520805824525source_csvSource-provided categorical attribute; not independently verified by the dataset curators.mediumdemographic covariateUse as a categorical age-band variable; do not infer exact age. income_levelIncome level categoryProvider-assigned income-level category associated with the device or user profile.stringcategoryincome_A | income_B | income_C | income_D | income_Eempty string | N/A | NA | NULL | NaN | None | nan | none | nullTrueincome_A805824520805824528source_csvObserved values use codes income_A through income_E. The public release does not include a provider-authenticated interpretation scale for these codes; treat them as categorical labels unless independently justified.mediumsocioeconomic covariateUse as categorical source codes. Avoid imposing ordinal or monetary interpretation without additional documentation. tier1Tier 1 categoryProvider-assigned top-level audience, interest, or behavioral taxonomy code(s) associated with the device or source record.stringpipe-delimited categorical codescategory code(s)empty string | N/A | NA | NULL | NaN | None | nan | none | nullFalseIAB1480582452189600666162238659source_csvValues may contain one or more pipe-delimited category codes such as IAB-like labels. The precise public taxonomy version is not distributed with this release.mediumcategorical source attributeTreat as categorical codes. Report any mapping or recoding used in derived analyses. tier2Tier 2 categoryProvider-assigned second-level audience, interest, or behavioral taxonomy code(s) associated with the device or source record.stringpipe-delimited categorical codescategory code(s)empty string | N/A | NA | NULL | NaN | None | nan | none | nullFalseIAB1_180582452235514695703098389source_csvValues may contain one or more pipe-delimited category codes. The precise public taxonomy version is not distributed with this release.mediumcategorical source attributeTreat as categorical codes. Report any mapping or recoding used in derived analyses. fileSource export partition fileTechnical source-export partition filename associated with the record in the original data export or storage process.stringfile nameempty string | N/A | NA | NULL | NaN | None | nan | none | nullTruepart-00141-a2a8b706-66db-4d25-b080-905c96c1e653-c000.csv8058245208058245256source_exportPreserved from the source files for provenance. It is distinct from the curation field source_file.lowtechnical provenanceUse for auditability of source partitions; not a scientific mobility variable. IDLOriginal territorial labelOriginal territorial or inclusion label preserved from the source export. The observed non-missing value is HERMOSILLO.stringcategoryHERMOSILLOempty string | N/A | NA | NULL | NaN | None | nan | none | nullFalseHERMOSILLO8058245273966095661635710source_exportThis field is highly incomplete and should not be used as the sole indicator of spatial coverage. Use coordinates and source-file metadata for spatial/temporal filtering.lowtechnical/source labelTreat as a source tag. Do not assume missing values imply absence from Hermosillo.