Report information Item-level data quality summary Item-level data quality dashboard

Scatter Plot Matrix Descriptive statistics (Categorical) Descriptive statistics (Continuous)

Unexpected data structure (Dataset-level) Unexpected data structure (Segment-level) Data type mismatch

Missing values (Item-level) Response-rates (Item-level) Response-rates (Segment-level) Segment missingness

Contradictions Inadmissible categorical values Range violations

Distribution (Categorical) Distribution (Categorical) observer Cumulative distribution device Cumulative distribution observer Unexpected mean/median Distribution Unexpected proportion End-digit preference Time trend device Time trend observer Distribution across device Distribution across observer Multivariate outliers Unexpected distribution shape Univariate outliers Variance proportion device Variance proportion observer

id: ID exdate: EXAM_DT_0 sex: SEX_0 age: AGE_0 obs_bp: OBS_BP_0 dev_bp: DEV_BP_0 sbp1: SBP_0.1 sbp2: SBP_0.2 dbp1: DBP_0.1 dbp2: DBP_0.2 obs_soma: OBS_SOMA_0 height: BODY_HEIGHT_0 dev_length: DEV_HEIGHT_0 weight: BODY_WEIGHT_0 dev_weight: DEV_WEIGHT_0 waist: WAIST_CIRC_0 obs_int: OBS_INT_0 school: SCHOOL_GRAD_0 family: RELATION_STATUS_0 smoking: SMOKING_STATUS_0 stroke: STROKE_YN_0 myocard: MYOCARD_YN_0 diab_known: DIABETES_KNOWN_0 diab_age: DIAB_AGE_ONSET_0 contraception: CONTRACEPTIVA_EVER_0 income: HOUSE_INCOME_MONTH_0 hdl: CHOLES_HDL_0 ldl: CHOLES_LDL_0 cholesterol: CHOLES_ALL_0 seg_part_intro: SEG_PART_INTRO seg_part_somatometry: SEG_PART_SOMATOMETRY seg_part_interview: SEG_PART_INTERVIEW seg_part_laboratory: SEG_PART_LABORATORY

Item-level metadata Segment-level metadata Dataframe-level metadata Cross-item-level metadata Table ‘expected_id_dataframe’ Table ‘expected_id_segment’ Table ‘LABS_below 20 2000 - 4...::4a2f6’ Table ‘LABS_Dev_01 Dev_02...::aeb3a’ Table ‘LABS_males females::dbd02’ Table ‘LABS_married married ...::b1125’ Table ‘LABS_no yes::cde3d’ Table ‘LABS_none lower se...::918d1’ Table ‘LABS_nonsmoke former s...::a69c9’ Table ‘LABS_Obs_01 Obs_02...::8ad12’ Table ‘LABS_Obs_01 Obs_02...::90d24’ Table ‘LABS_Obs_01 Obs_02...::ed888’ Table ‘LABS_yes no::098f3’ Table ‘missing_table’ Table ‘segment_missing_table’ Grading Ruleset “0” Ruleset Formats