How to Merge Two Unequal Data Frames & Replace NA with 0 in R (Example) | merge & is.na Functions
How to combine unequal data frames and replace missing data with zero in the R programming language. More details: https://statisticsglobe.com/merge-une...
R code of this video:
data1 ＜- data.frame(id = 1:5, # Create first data frame
x1 = 5:9,
x2 = 5:1)
data2 ＜- data.frame(id = 3:7, # Create second data frame
y1 = 20:24,
y2 = 10:14)
data_all ＜- merge(data1, data2, # Merge data
by = "id",
all = TRUE)
data_all[is.na(data_all)] ＜- 0 # Replace NA with 0
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