Browse the toolkit

Data tools — Page 2

106 focused tools, ready to use in your browser.

Data

Grouped Table Fill-Gaps Workbench

Fill declared missing cells from earlier or later source records within exact groups,with a provenance report.

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Declared Functional Dependency Checker

Check whether equal determinant CSV fields always have equal dependent fields in the supplied records.

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CSV As-of Join Workbench

Match records to backward,forward or nearest numeric keys within explicit groups and tolerance.

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CSV Priority Column Coalescer

Choose a first-present value across explicit source columns and retain its column provenance.

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CSV Declared Codebook Recoder

Map exact source codes to an added value column and report every unknown code policy.

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Consecutive CSV Run Segmenter

Summarize adjacent equal-key records into source-order runs with exact start/end record numbers.

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CSV Group Text Aggregator

Join text values within exact key groups with stable order and explicit duplicate/empty policies.

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CSV Nonoverlapping Interval Lookup

Attach an observed interval record to each numeric point under an explicit endpoint closure policy.

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CSV Numeric Event Sessionizer

Annotate ordered events with per-group sessions using an exact numeric inactivity threshold.

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Multirow CSV Header Flattener

Combine declared header levels into single field names with explicit blank-fill and collision policies.

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Keyed JSON Record Reconciler

Apply explicit whole-record keyed upserts and deletions while preserving stable source order.

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JSON Parent and Child Array Unnester

Create a relational CSV from one explicit child array while retaining parent/child record provenance.

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Observed JSON Shape Drift Comparator

Compare empirical field presence and value kinds across two record collections without inventing a schema.

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CSV Conditional Record Rule Auditor

Check explicit per-record IF/THEN field rules with exact string or decimal comparisons and bounded witnesses.

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DNA FASTA Sequence Workbench

Inspect local DNA FASTA records, reverse-complement IUPAC symbols, or translate literal standard-code triplets.

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Bounded FASTQ Quality Profiler

Measure a declared four-line Phred+33 DNA FASTQ profile without guessing encoding or changing bases.

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User-supplied DNA Recognition Motif Finder

Find declared IUPAC DNA motifs on both strands with exact coordinates and explicit ambiguity semantics.

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Declared CSV Number Parser

Parse explicit decimal and grouping separators across CSV columns without guessing locale or rounding source decimals.

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Declared CSV Calendar Date Parser

Validate imported date-only columns against an explicit fixed pattern and preserve invalid-date evidence.

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Explicit Category Indicator Matrix

Add stable zero/one CSV indicators from your own categorical domains while retaining unknown and missing counts.

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Categorical Observation Grid Auditor

Compare observed CSV factor combinations with an explicit expected grid and retain missing and replicated-cell witnesses.

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Exact Grouped CSV Rank Annotator

Add per-group numeric ranks to CSV rows with exact decimal ordering and explicit tie rules.

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Source-order Ledger Balance Auditor

Check exact running balances from signed CSV amounts and supplied opening balances without contacting an account.

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Duplicate-preserving CSV Reconciler

Compare exact CSV tuple counts while retaining duplicate multiplicity and separating missing from extra occurrences.

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Guarded CSV Cell Change Applier

Create a changed CSV only after every explicit key, target cell and expected prior value passes an atomic guard.

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Relational CSV to Nested Records

Pack explicit parent and child fields into nested JSON after checking parent consistency and child-key uniqueness.

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Declared Survey Scale Score Builder

Score user-defined item scales with explicit reverse coding, answered-item thresholds and exact rounded sums or means.

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Bounded CSV Arithmetic Column

Create a numeric CSV column from a fixed JSON arithmetic AST without executing spreadsheet formulas or user code.

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Bounded Record Linkage Candidate Review

Generate cross-table text-similarity candidates inside explicit exact blocks while retaining ambiguity for human review.

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CSV Calendar Range Expander

Expand declared date-only source records into calendar-day rows with original columns and explicit source-record provenance.

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Logical CSV Content Receipt

Create or verify unsigned table and positional-record SHA-256 receipts while ignoring CSV quoting and newline syntax.

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Local GeoJSON Point Dataset

Select Point/MultiPoint features by an explicit WGS84 box and export a property-projected local GeoJSON copy.

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Tabular Fixture Dataset Builder

Export deterministic related CSV tables and an exact-string JSON bundle from bounded original recipes.

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Hierarchical Forecast Reconciliation Workbench

Make supplied forecasts add up across a small tree with bottom-up, equal-weight or declared-variance reconciliation.

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Paired Method Agreement Workbench

Inspect signed paired-method differences, magnitude coordinates and transparent descriptive spread limits.

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CSV Ordered Window Features

Append source-order lag, lead or fixed trailing numeric frames within exact groups and preserve every original row.

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CSV Interval Overlap Join

Join every overlapping interval pair within exact keys with exact intersection bounds, lengths and source-record provenance.

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CSV Adjacency Tree Builder

Export exact ID/parent records into ordered nested trees with original cell arrays, record provenance and explicit cycle refusal.

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Grouped Dataset Partition Bundle

Create reproducible group-atomic CSV partitions with explicit group weights and a content-hash membership manifest.

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CSV Functional Dependency Review

Find concrete original-record counterexamples to declared determinant-to-dependent field rules in supplied CSV data.

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Event Journey Evidence Workbench

Turn supplied ID and UTC event records into closed-funnel paths or first-observed monthly cohorts with explicit source-record evidence.

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Ranked Retrieval Evaluation Workbench

Evaluate supplied document rankings against graded judgments with traceable cutoff metrics and NDCG.

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Declared League Results Table

Build a traceable standings table from supplied match scores, point rules and ordered tie-break keys.

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Bounded Mean Change Segmentation

Find exact contiguous constant-mean segments under a chosen segment count or explicit SSE penalty.

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Selected BSON and Extended JSON Inspector

Inspect one BSON byte document with ordered typed fields and export selected Canonical Extended JSON without rounding int64 values.

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Normalized Key Collision Reviewer

Expose distinct raw CSV identifiers that collapse under your declared Unicode, ASCII case and edge-space rules.

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Text-cell Table Pivot

Reshape unique row-key and field records into a wide string table without numeric aggregation.

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Embedded JSON Field Extractor

Append scalar JSON Pointer fields from JSON text stored in CSV records while preserving numeric source spellings.