NEWS

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liver 1.29 (2026-05-04)

• Data set purchase_intention is added.

• Data set wholesale_customers is added.

• Data set creditcard_fraud is added.

• Data set corona is removed.

• Data set fertilizer is removed.

• Data set NMES1988 is removed.

liver 1.28 (2026-04-07)

• Data set loan is added.
• Data set credit is added.
• Data set mortgage is added.
• Data set bike_demand is added.
• Data set doctor_visits is added.
• Data set NMES1988 is added.
• Data set cpu_price is added.

liver 1.27 (2026-02-18)

• Function kNN.plot() is updated.

• Data set churn renamed to churn_mlc, and its feature names are updated.

• Data set churnCredit renamed to churn, and its feature names are updated.

• Data set churnTel renamed to churn_tel, and its feature names are updated.

• Data set redWines renamed to red_wines, and its feature names are updated.

• Data set whiteWines renamed to white_wines, and its feature names are updated.

• Data set housePrice renamed to house_price.

• Data set adult feature names are updated.

• Data set risk feature names are updated.

• Data set marketing feature names are updated.

• Data set house feature names are updated.

• Data set advertising feature names are updated.

liver 1.26 (2025-11-26)

• Data set gapminder is added.

liver 1.25 (2025-11-14)

• Function one.hot(), option dropCols is updated.
• Data set churnCredit is updated.

liver 1.24 (2025-10-24)

• Data set adult is updated.

liver 1.23 (2025-10-05)

• Function conf.mat() is updated.
• Function conf.mat.plot() is updated.
• Function kNN.plot() is updated.

liver 1.22 (2025-09-27)

• Data set drug is added.

liver 1.20 (2025-08-21)

• Data set caravan is added.
• Function z.conf() is added.
• Function prop.conf() is added.
• Function t_conf() is added.
• Title and description of the package are updated.

liver 1.19 (2025-03-18)

• Function one.hot() is added.
• Function zscore() is updated.
• Function minmax() is updated.
• Function scaler() is updated.
• Function kNN() is updated.
• Function kNN.plot() is updated.
• Function conf.mat() is updated.
• Function conf.mat.plot() is updated.
• Link to the book is added to the package.

liver 1.18 (2024-11-22)

• Function transform() renamed to scaler().
• In function kNN(), input object tranform is replaced to scaler.
• In function kNN.plot(), input object tranform is replaced to scaler.
• In function kNN.plot(), input object base = error is replaced to base = accuracy.
• In function partition(), input object prob is replaced to ratio.

liver 1.17 (2024-10-28)

• Function partition() is updated.

liver 1.15 (2023-11-01)

• Data sets redWines and whiteWines are added.

liver 1.11 (2022-03-03)

• Function skim() is added to the package.
• In function kNN.plot(), option report is added.
• Data set churnCredit is added.

liver 1.10 (2021-10-27)

• In function kNN(), option prob replaced by type.
• vignette is added to the package.

liver 1.9 (2021-09-12)

• Data set corona is added.

liver 1.8 (2021-08-16)

• Function kNN() is updated.

liver 1.7 (2021-04-20)

• Function accuracy() is added to the package.
• Option base is added to function kNN.plot().
• Option reference is added to function conf.mat.plot().
• Option reference is added to function conf.mat().
• Option proportion is added to function conf.mat().

liver 1.6 (2021-04-06)

• Function kNN.plot() is added to the package.
• Function conf.mat.plot() is added to the package.
• Function mae() is added to the package.

liver 1.5 (2021-03-09)

• Function conf.mat() is added to the package.

• Option columns is added to function transform().

• Option columns is added to function minmax().

• Option columns is added to function zscore().

liver 1.4 (2021-02-11)

• Data set fertilizer is added.
• Data set churn is updated.
• Data set churnTel is updated.
• Data set adult is updated.
• Data set classifyRisk is change to risk.

liver 1.3 (2020-11-13)

• Data set marketing is added.
• Data set advertising is added.
• Data set insurance is added.
• Data set cereal is added.
• Data set house is added.

liver 1.2 (2020-09-25)

• Data set bank is added.
• Function kNN() is added to the package.

liver 1.0 (2020-08-18)

Initial Release