R Notebook

library(gtsummary)
library(dplyr)

Major European Stock Indices, 1991–1998

data("EuStockMarkets")
View(EuStockMarkets)

DAX: German Stock Index SMI: Swiss Market Index CAC: French Stock Market Index (CAC 40) FTSE: UK Stock Market Index (FTSE 100)

head(EuStockMarkets)

         DAX    SMI    CAC   FTSE
[1,] 1628.75 1678.1 1772.8 2443.6
[2,] 1613.63 1688.5 1750.5 2460.2
[3,] 1606.51 1678.6 1718.0 2448.2
[4,] 1621.04 1684.1 1708.1 2470.4
[5,] 1618.16 1686.6 1723.1 2484.7
[6,] 1610.61 1671.6 1714.3 2466.8

Basic Descriptive Table

EuStockMarkets %>%
  as.data.frame() %>%
  tbl_summary()

Interpretation of European Stock Indices

The dataset includes 18,601 observations across four major European stock indices:
- DAX (Germany)
- SMI (Switzerland)
- CAC 40 (France)
- FTSE 100 (United Kingdom)

The reported statistics present the median values with interquartile ranges (Q1–Q3).

• DAX (Germany): Median = 2,141; IQR = 1,744–2,723.
  • Reflects a moderate market level with moderate variability.
• SMI (Switzerland): Median = 2,796; IQR = 2,166–3,813.
  • Highest central value among the indices, but also the widest spread, indicating high variability.
• CAC 40 (France): Median = 1,992; IQR = 1,875–2,274.
  • Lowest central value, but the narrowest spread, suggesting the most stable market performance.
• FTSE 100 (UK): Median = 3,247; IQR = 2,843–3,994.
  • Second-highest median with wider variability compared to DAX and CAC, but less than SMI.

Summary

• Strongest central performance: SMI (Switzerland) and FTSE (UK).
  
• Most stable performance: CAC 40 (France).
  
• Most volatile performance: SMI (Switzerland).
  
• Balanced performance: DAX (Germany), with moderate values and spread.