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Daily closing stock prices of the three tech companies Microsoft, Apple and IBM between 2007 and 2019.
data(tech)
A dataframe with 3158 rows and 6 columns.
dataframe
data(tech) head(tech) # NOT RUN - change in correlation over time # library(dplyr) # tech_grp <- tech %>% # group_by(year) %>% # inspect_cor() # tech_grp %>% show_plot()
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