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Error code: DatasetGenerationCastError
Exception: DatasetGenerationCastError
Message: An error occurred while generating the dataset
All the data files must have the same columns, but at some point there are 1 new columns ({'state'}) and 3 missing columns ({'originated', 'denied', 'lender'}).
This happened while the csv dataset builder was generating data using
hf://datasets/FinanceRateCalc/fha-denial-timeseries-2018-2025/fha_state_denial_timeseries_2018_2025.csv (at revision e260fe28607fbfcbd838eb9aa2b3800a8b6bc0d2), ['hf://datasets/FinanceRateCalc/fha-denial-timeseries-2018-2025@e260fe28607fbfcbd838eb9aa2b3800a8b6bc0d2/fha_lender_denial_timeseries_2018_2025.csv', 'hf://datasets/FinanceRateCalc/fha-denial-timeseries-2018-2025@e260fe28607fbfcbd838eb9aa2b3800a8b6bc0d2/fha_state_denial_timeseries_2018_2025.csv', 'hf://datasets/FinanceRateCalc/fha-denial-timeseries-2018-2025@e260fe28607fbfcbd838eb9aa2b3800a8b6bc0d2/lender_persistence_2018_2025.csv']
Please either edit the data files to have matching columns, or separate them into different configurations (see docs at https://hf.co/docs/hub/datasets-manual-configuration#multiple-configurations)
Traceback: Traceback (most recent call last):
File "/usr/local/lib/python3.14/site-packages/datasets/builder.py", line 1848, in _prepare_split_single
writer.write_table(table)
~~~~~~~~~~~~~~~~~~^^^^^^^
File "/usr/local/lib/python3.14/site-packages/datasets/arrow_writer.py", line 765, in write_table
self._write_table(pa_table, writer_batch_size=writer_batch_size)
~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.14/site-packages/datasets/arrow_writer.py", line 773, in _write_table
pa_table = table_cast(pa_table, self._schema)
File "/usr/local/lib/python3.14/site-packages/datasets/table.py", line 2378, in table_cast
return cast_table_to_schema(table, schema)
File "/usr/local/lib/python3.14/site-packages/datasets/table.py", line 2306, in cast_table_to_schema
raise CastError(
...<3 lines>...
)
datasets.table.CastError: Couldn't cast
year: int64
state: string
denial_rate_pct: double
-- schema metadata --
pandas: '{"index_columns": [{"kind": "range", "name": null, "start": 0, "' + 625
to
{'year': Value('int64'), 'lender': Value('string'), 'originated': Value('int64'), 'denied': Value('int64'), 'denial_rate_pct': Value('float64')}
because column names don't match
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "/src/services/worker/src/worker/job_runners/config/parquet_and_info.py", line 1369, in compute_config_parquet_and_info_response
parquet_operations, partial, estimated_dataset_info = stream_convert_to_parquet(
~~~~~~~~~~~~~~~~~~~~~~~~~^
builder, max_dataset_size_bytes=max_dataset_size_bytes
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
)
^
File "/src/services/worker/src/worker/job_runners/config/parquet_and_info.py", line 948, in stream_convert_to_parquet
builder._prepare_split(split_generator=splits_generators[split], file_format="parquet")
~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.14/site-packages/datasets/builder.py", line 1694, in _prepare_split
for job_id, done, content in self._prepare_split_single(
~~~~~~~~~~~~~~~~~~~~~~~~~~^
gen_kwargs=gen_kwargs, job_id=job_id, **_prepare_split_args
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
):
^
File "/usr/local/lib/python3.14/site-packages/datasets/builder.py", line 1850, in _prepare_split_single
raise DatasetGenerationCastError.from_cast_error(
...<4 lines>...
)
datasets.exceptions.DatasetGenerationCastError: An error occurred while generating the dataset
All the data files must have the same columns, but at some point there are 1 new columns ({'state'}) and 3 missing columns ({'originated', 'denied', 'lender'}).
This happened while the csv dataset builder was generating data using
hf://datasets/FinanceRateCalc/fha-denial-timeseries-2018-2025/fha_state_denial_timeseries_2018_2025.csv (at revision e260fe28607fbfcbd838eb9aa2b3800a8b6bc0d2), ['hf://datasets/FinanceRateCalc/fha-denial-timeseries-2018-2025@e260fe28607fbfcbd838eb9aa2b3800a8b6bc0d2/fha_lender_denial_timeseries_2018_2025.csv', 'hf://datasets/FinanceRateCalc/fha-denial-timeseries-2018-2025@e260fe28607fbfcbd838eb9aa2b3800a8b6bc0d2/fha_state_denial_timeseries_2018_2025.csv', 'hf://datasets/FinanceRateCalc/fha-denial-timeseries-2018-2025@e260fe28607fbfcbd838eb9aa2b3800a8b6bc0d2/lender_persistence_2018_2025.csv']
Please either edit the data files to have matching columns, or separate them into different configurations (see docs at https://hf.co/docs/hub/datasets-manual-configuration#multiple-configurations)Need help to make the dataset viewer work? Make sure to review how to configure the dataset viewer, and open a discussion for direct support.
year int64 | lender string | originated int64 | denied int64 | denial_rate_pct float64 |
|---|---|---|---|---|
2,018 | Planet Home | 1,019 | 444 | 30.35 |
2,018 | loanDepot | 30,200 | 20,120 | 39.98 |
2,018 | Guild | 15,311 | 1,187 | 7.19 |
2,018 | Rocket | 66,007 | 35,212 | 34.79 |
2,018 | NewRez | 5,469 | 5,238 | 48.92 |
2,018 | UWM | 20,704 | 3,861 | 15.72 |
2,018 | Mr. Cooper | 9,697 | 5,072 | 34.34 |
2,018 | Freedom | 19,454 | 18,703 | 49.02 |
2,018 | CrossCountry | 8,746 | 824 | 8.61 |
2,018 | Wells Fargo | 2,303 | 2,020 | 46.73 |
2,018 | PennyMac | 3,138 | 3,510 | 52.8 |
2,019 | Mr. Cooper | 33,390 | 10,470 | 23.87 |
2,019 | Freedom | 40,677 | 9,626 | 19.14 |
2,019 | PennyMac | 8,333 | 7,683 | 47.97 |
2,019 | UWM | 49,197 | 6,857 | 12.23 |
2,019 | Guild | 18,904 | 1,281 | 6.35 |
2,019 | loanDepot | 25,472 | 12,727 | 33.32 |
2,019 | Planet Home | 3,514 | 891 | 20.23 |
2,019 | Rocket | 93,525 | 39,496 | 29.69 |
2,019 | NewRez | 8,098 | 4,371 | 35.05 |
2,019 | Wells Fargo | 2,289 | 2,018 | 46.85 |
2,019 | CrossCountry | 12,968 | 760 | 5.54 |
2,020 | loanDepot | 25,814 | 8,389 | 24.53 |
2,020 | PennyMac | 13,631 | 9,844 | 41.93 |
2,020 | Mr. Cooper | 41,451 | 10,447 | 20.13 |
2,020 | Rocket | 83,289 | 36,256 | 30.33 |
2,020 | Guild | 21,063 | 1,473 | 6.54 |
2,020 | CrossCountry | 23,396 | 1,352 | 5.46 |
2,020 | Wells Fargo | 1,503 | 1,598 | 51.53 |
2,020 | Freedom | 137,000 | 14,924 | 9.82 |
2,020 | NewRez | 13,840 | 5,012 | 26.59 |
2,020 | Planet Home | 5,688 | 1,157 | 16.9 |
2,020 | UWM | 24,042 | 5,306 | 18.08 |
2,021 | Wells Fargo | 1,272 | 1,362 | 51.71 |
2,021 | Freedom | 117,575 | 9,702 | 7.62 |
2,021 | NewRez | 17,147 | 8,396 | 32.87 |
2,021 | Mr. Cooper | 33,738 | 8,597 | 20.31 |
2,021 | UWM | 38,516 | 7,130 | 15.62 |
2,021 | CrossCountry | 25,540 | 1,793 | 6.56 |
2,021 | Rocket | 127,771 | 49,320 | 27.85 |
2,021 | loanDepot | 25,844 | 10,429 | 28.75 |
2,021 | PennyMac | 31,773 | 10,508 | 24.85 |
2,021 | Guild | 18,543 | 1,519 | 7.57 |
2,021 | Planet Home | 5,609 | 1,314 | 18.98 |
2,022 | Rocket | 73,003 | 34,165 | 31.88 |
2,022 | Guild | 11,221 | 1,198 | 9.65 |
2,022 | loanDepot | 25,288 | 14,644 | 36.67 |
2,022 | Planet Home | 2,906 | 1,127 | 27.94 |
2,022 | NewRez | 5,627 | 9,044 | 61.65 |
2,022 | UWM | 47,735 | 9,884 | 17.15 |
2,022 | PennyMac | 12,930 | 6,386 | 33.06 |
2,022 | Freedom | 17,217 | 4,978 | 22.43 |
2,022 | CrossCountry | 20,009 | 1,471 | 6.85 |
2,022 | Wells Fargo | 1,746 | 2,666 | 60.43 |
2,022 | Mr. Cooper | 11,245 | 4,232 | 27.34 |
2,023 | CrossCountry | 21,064 | 1,450 | 6.44 |
2,023 | Guild | 11,986 | 1,054 | 8.08 |
2,023 | UWM | 64,537 | 13,529 | 17.33 |
2,023 | Mr. Cooper | 6,120 | 1,980 | 24.44 |
2,023 | Planet Home | 2,237 | 895 | 28.58 |
2,023 | Rocket | 68,367 | 27,894 | 28.98 |
2,023 | PennyMac | 9,251 | 4,568 | 33.06 |
2,023 | Freedom | 9,384 | 4,642 | 33.1 |
2,023 | loanDepot | 19,411 | 12,128 | 38.45 |
2,023 | NewRez | 8,901 | 7,996 | 47.32 |
2,023 | Wells Fargo | 1,501 | 1,937 | 56.34 |
2,024 | CrossCountry | 22,994 | 1,342 | 5.5 |
2,024 | Guild | 17,932 | 1,375 | 7.1 |
2,024 | UWM | 74,402 | 18,484 | 19.9 |
2,024 | Planet Home | 3,246 | 997 | 23.5 |
2,024 | Freedom | 23,149 | 7,488 | 24.4 |
2,024 | Mr. Cooper | 5,517 | 1,862 | 25.2 |
2,024 | PennyMac | 15,078 | 5,466 | 26.6 |
2,024 | Rocket | 66,721 | 26,429 | 28.4 |
2,024 | loanDepot | 20,996 | 12,339 | 37 |
2,024 | NewRez | 9,596 | 8,804 | 47.8 |
2,024 | Wells Fargo | 848 | 1,197 | 58.5 |
2,025 | CrossCountry | 27,608 | 1,877 | 6.37 |
2,025 | Guild | 20,919 | 1,609 | 7.14 |
2,025 | UWM | 87,294 | 24,022 | 21.58 |
2,025 | Planet Home | 5,823 | 1,303 | 18.29 |
2,025 | Freedom | 27,636 | 8,159 | 22.79 |
2,025 | Mr. Cooper | 5,480 | 2,024 | 26.97 |
2,025 | PennyMac | 24,044 | 7,444 | 23.64 |
2,025 | Rocket | 65,337 | 28,619 | 30.46 |
2,025 | loanDepot | 22,700 | 12,191 | 34.94 |
2,025 | NewRez | 10,547 | 12,022 | 53.27 |
2,025 | Wells Fargo | 1,295 | 1,226 | 48.63 |
2,018 | null | null | null | 24.34 |
2,018 | null | null | null | 24.81 |
2,018 | null | null | null | 25.05 |
2,018 | null | null | null | 25.48 |
2,018 | null | null | null | 25.56 |
2,018 | null | null | null | 25.82 |
2,018 | null | null | null | 28.08 |
2,018 | null | null | null | 28.09 |
2,018 | null | null | null | 31.22 |
2,018 | null | null | null | 32.19 |
2,018 | null | null | null | 32.29 |
2,018 | null | null | null | 32.48 |
FHA Lender Denial Time Series — Eleven of the Largest Lenders, 2018–2025
Annual FHA mortgage denial rates for eleven of the largest US FHA lenders across the eight HMDA reporting years 2018–2025 — a balanced panel of 88 lender-year cells computed from the public CFPB Home Mortgage Disclosure Act record. Lenders: CrossCountry, Freedom, Guild, Mr. Cooper (Nationstar), NewRez, PennyMac, Planet Home, Rocket (Quicken Loans through 2021), UWM, Wells Fargo, loanDepot. Entity continuity across rebrandings is maintained via Legal Entity Identifier.
Headline finding: the door hierarchy barely moves. CrossCountry is the softest of the eleven doors in 7 of 8 years and Guild is the runner-up in 7 of 8 (the two swap in 2018) — while Wells Fargo and NewRez occupy the strict end throughout the second half of the window. 80.8% of pooled variance in the panel is between lenders rather than within lenders over time; the year-over-year Spearman rank correlation of the lender ordering has a median of 0.918.
Denominator — read this before comparing to other tables
Rates in this series are denied / (originated + denied): HMDA action 3 divided by actions 1 + 3. Applications approved but not accepted (action 2 — the lender said yes, the borrower walked away) are excluded, because they record a borrower's choice rather than a lender's decision posture, and their share varies across institutions.
This intentionally differs from the {1, 2, 3} "decisioned" universe used in FinanceRateCalc's 2025 cross-sectional tables and papers. Mixing the two denominators in one comparison is a common error in published work — do not do it. Levels differ modestly for most lenders and most where the approved-not-accepted share is large (Freedom 2025: 22.8% under this definition vs 19.9% under {1,2,3}). Every within-series comparison (ranks, variance shares, breaks) is unaffected by the choice.
Files
fha_lender_denial_timeseries_2018_2025.csv
year— HMDA reporting year (2018–2025)lender— short institution name (see list above for legal names)originated— loans originated (action 1)denied— applications denied (action 3)denial_rate_pct— denied / (originated + denied) × 100
lender_persistence_2018_2025.csv
Per-lender statistics from the companion paper (below):
classification— systematic_shift / systematic_shift_with_trend / emerging_shift / stable, by published magnitude thresholds (≥5.0 pp best-break shift; Mann–Kendall p < 0.05 with |Sen slope| ≥ 1.0 pp/yr)level_tier— low (<15%), mid (15–35%), high (>35%) by eight-year meaneight_year_mean_pct,break_between,shift_pp,mk_p,sen_pp_per_yr,sd_pp,rates(2018→2025, pipe-separated)
Classification is by magnitude, not p-values: cells aggregate large counts, so nearly any difference is statistically significant; test statistics are reported for transparency.
Companion working paper (August 2026)
Yetiş, Z. (2026). Persistent Doors: Denial-Rate Stability and Structural Breaks Across Eleven of the Largest FHA Lenders, 2018–2025. SSRN Working Paper 7341481. https://ssrn.com/abstract=7341481· doi:10.2139/ssrn.7341481
Key results computed from exactly this series: the persistence statistics above, plus four single regime shifts of ≥5 points — Freedom −19.0 (2019–20) and PennyMac −18.6 (2020–21, the panel's only significant monotone trend, Mann–Kendall p = 0.009, Sen −4.1 pp/yr) around the refinancing boom; NewRez +18.1 and Wells Fargo +7.9 both at the 2021–22 rate-regime boundary. All estimates are associational; see the paper's Limitations.
The cross-sectional companion: Yetiş, Z. (2026). The Door Effect (38% of explained variation in 2025 FHA denial outcomes attaches to lender identity). SSRN 7309319, doi:10.2139/ssrn.7309319 · dataset: https://huggingface.co/datasets/FinanceRateCalc/door-effect-fha-2025
Source, caveats, citation
Underlying data: public CFPB HMDA loan/application records, 2018–2025 (https://ffiec.cfpb.gov/). Denial rates partly reflect applicant mix, channel and product composition (notably refinance share through the 2020–21 boom); a high rate is a historical observation, not evidence of wrongdoing, and nothing here supports a prediction about any individual application.
Yetiş, Z. (2026). FHA Lender Denial Time Series, 2018–2025. FinanceRateCalc. https://financeratecalc.com — companion papers: SSRN 7341481, SSRN 7309319.
License: CC BY 4.0. Independent; no lender partnerships, no advertising. A denial is a data point, not a verdict on the applicant.
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