Christian Klettner’s notebooks | Observable

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Christian Klettner

@klettsch

Risk, finance, economic modelling, forecasting and stress testing

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Butterworth filter

Christian Klettner

Sep 22

1

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Oil and Gas usage by industry

Christian Klettner

Sep 16

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Christian Klettner

Sep 9

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Christian Klettner

Aug 28

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Mt Hotham Snow Fall and Snow Depth

Christian Klettner

Aug 22

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Correlation coefficient sample confidence interval

Christian Klettner

Aug 20

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Christian Klettner

Aug 22

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Expand colour palette

Christian Klettner

Jul 29

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Weather Code Colours

Christian Klettner

Jul 25

1

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Weather Conditions for Open Water Swimming

Christian Klettner

Jul 1

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Victorian Local Government Performance Statistics

Christian Klettner

Sep 10

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Stress Tests of Euro Area Banks with Skewed Normal Credit Risk Distributions

Christian Klettner

May 27

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Australian Capital Gains Tax

Christian Klettner

May 21

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Comparison Rate

Christian Klettner

May 20

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Water Supply Storage Levels

Christian Klettner

Apr 2

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Christian Klettner

Mar 18

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Native Title and Mining in Australia

Christian Klettner

Feb 2

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Poppy Seed Cake

Christian Klettner

Jan 12

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Christian Klettner

Jan 3

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Popover Citations & References

Christian Klettner

Feb 12

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Victorian rents by LGA region

Christian Klettner

Dec 31, 2025

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Melbourne Bicycle Paths

Christian Klettner

Dec 21, 2025

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Monetary Policy Interest Rates

Christian Klettner

Dec 12, 2025

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Regional Population Growth

Christian Klettner

Nov 18, 2025

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Swedish Cardamom Buns (Kardemummabullar)

Christian Klettner

Nov 12, 2025

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Using Geoparquet to read attachment and convert to Geojson

Christian Klettner

Dec 17, 2025

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Vector Autoregression Models

Christian Klettner

Nov 9, 2025

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Checkbox legend

Christian Klettner

Nov 5, 2025

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Sparklines in Inputs.table

Christian Klettner

Nov 11, 2025

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Seasonal Trend Loess Filtering

Christian Klettner

Oct 25, 2025

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Seasonal Trend Loess Decomposition

Christian Klettner

Oct 25, 2025

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Skew Normal and Skew T distributions

Christian Klettner

May 25

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US Federal Government Fiscal Trends

Christian Klettner

Mar 12

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Present value of an annuity

Christian Klettner

Sep 19, 2025

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Australian Unemployment Rate Over Time

Christian Klettner

Sep 30, 2025

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Christian Klettner

Aug 30, 2025

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Christian Klettner

Sep 19, 2025

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Random class assignment

Christian Klettner

Sep 19, 2025

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Bilateral Trade in Services

Christian Klettner

May 10, 2025

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Ricotta and Cinnamon Cheese Cake Recipe

Christian Klettner

Nov 12, 2025