Christian Groll @ChrisAndData

Never stop learning @ScalableCapital; views are my own; not financial advice München, Bayern Joined November 2010

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Christian Groll @ChrisAndData

3 years ago

A bit of a niche topic. But if you by any chance want to train an image segmentation model on satellite image data and your labels are given as vector format polygons (and not as labels in image pixel space) then this might be for you ;-) quantitative-thinking.com/2023/04/Semant…

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Christian Groll @ChrisAndData

3 years ago

Hoping that it might help other people discover something useful that they did not know yet, I created a list of my favorite tools and services: quantitative-thinking.com/tools/

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Christian Groll @ChrisAndData

3 years ago

If you are interested, you can find English and German transcripts here: quantitative-thinking.com/2022/01/Automa…

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Christian Groll @ChrisAndData

3 years ago

Using this model I now could easily get the transcript for the podcast and translate it into English with the help of another awesome AI tool: DeepL.

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Christian Groll @ChrisAndData

3 years ago

A few years ago I did a #podcast on #assetmanagement and #automation . Back then, it somewhat bothered me that the podcast was basically useless to most people because it was in German and not in English.

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Christian Groll @ChrisAndData

3 years ago

Let me know if you managed to create a better result :-)

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Christian Groll @ChrisAndData

3 years ago

My first real-world challenge was not as successful as the mad scientist images. My three year old son wanted me to create an elephant that has the fur of a giraffe. Here is what I came up with:

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Christian Groll @ChrisAndData

3 years ago

I wrote a blog post on text to image AI models: quantitative-thinking.com/2022/01/Stable… It mentions three different publicly available pages that you can use to get creative yourself (for free), so that you can create your own fantasy mad scientists:

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Christian Groll @ChrisAndData

4 years ago

Roughly half of the differences can be explained through differences in local inflation rates (aei.org/wp-content/upl…)

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Christian Groll @ChrisAndData

4 years ago

Although in somewhat differing magnitudes (aei.org/wp-content/upl…)

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Christian Groll @ChrisAndData

4 years ago

Central banks have moved pretty unanimously in the same direction with policy rate decisions in the last months (imf.org/en/Blogs/Artic…)

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Christian Groll @ChrisAndData

4 years ago

so true 😄

Tim Ferriss @tferriss

4 years ago

You’re 90% done. Congratulations! You only have 50% left.

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Christian Groll @ChrisAndData

4 years ago

If the company can be bought for 100$, then we get 5% return. If the market price was 200$, however, then the return would be only 2.5%. The market prices that we pay are largely determining the returns that we will make on our investments 6/6

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Christian Groll @ChrisAndData

4 years ago

Another important take-away of this is: we can basically make the expected return of an investment anything that we want, depending on the market prices that we jointly set 5/6

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Christian Groll @ChrisAndData

4 years ago

Will lower future economic growth lead to lower stock market returns? This narrative sounds pretty logical and intuitive. But it is not as straightforward as one might think in the first place 1/6