Nikos Kafritsas (@nikos_kafritsas) 's Twitter Profile
Nikos Kafritsas

@nikos_kafritsas

Data Scientist, author of AI Horizon Forecast newsletter

ID: 972160218

linkhttps://aihorizonforecast.substack.com calendar_today26-11-2012 15:28:23

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Nikos Kafritsas (@nikos_kafritsas) 's Twitter Profile Photo

It’s disappointing to see papers still repeat common mistakes. Each model has an optimal configuration for its specific use case. ➡️ Time series foundation models perform best with long contexts (512–2000 tokens), especially on synthetic, highly seasonal data. ➡️ Shorter

It’s disappointing to see papers still repeat common mistakes.

Each model has an optimal configuration for its specific use case.

➡️ Time series foundation models perform best with long contexts (512–2000 tokens), especially on synthetic, highly seasonal data.

➡️ Shorter
Nikos Kafritsas (@nikos_kafritsas) 's Twitter Profile Photo

Time Series Foundation models work best with longer context-lengths. Ideally, context-length>500 Below are 2 images from TimesFM-2.5 forecasts on Kaggle-Tabular-2022 dataset: > Left: Context Length= 400 (misses the peak) > Right: Context Length = 1000 (captures the peak) Both

Time Series Foundation models work best with longer context-lengths.

Ideally, context-length>500

Below are 2 images from TimesFM-2.5 forecasts on Kaggle-Tabular-2022 dataset:

> Left: Context Length= 400 (misses the peak)
> Right: Context Length = 1000 (captures the peak)

Both
Nikos Kafritsas (@nikos_kafritsas) 's Twitter Profile Photo

AI is revolutionary, but certain deal structures create risky financial loops that could tank the economy. • Companies buy resources with cash. • Part of the payment comes as stock. • A major announcement drives the stock price up. • The stock surge effectively reimburses

AI is revolutionary, but certain deal structures create risky financial loops that could tank the economy.

• Companies buy resources with cash.

• Part of the payment comes as stock.

• A major announcement drives the stock price up.

• The stock surge effectively reimburses
Nikos Kafritsas (@nikos_kafritsas) 's Twitter Profile Photo

Many people are worried about a potential AI bubble. Those who see no reason for concern often argue: "If AI drives current economic growth, why would big tech risk so much unless they were sure it would work?" But what if there was never much risk to begin with? Last week,

Many people are worried about a potential AI bubble.

Those who see no reason for concern often argue: "If AI drives current economic growth, why would big tech risk so much unless they were sure it would work?"

But what if there was never much risk to begin with?

Last week,