Data Frames in R

Data frames are table-like structures used to store data in rows and columns.

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Creating a Data Frame

df <- data.frame(Name=c("A","B"), Age=c(21,25))
print(df)

##Adding Columns
R
df$Score <- c(90, 85)
print(df)

##Accessing Data
R
df$Name
df[1, ]   # First row
df[,2]    # Second column