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merge two dataframes in r

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Important Ibex answered on June 9, 2020 Popularity 9/10 Helpfulness 1/10

answer merge two dataframes in r

related merge several data frames in r

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merge two dataframes in r

Comment

#for merging coloumns
merge(a,b...) 

#for merging rows
(rbind(a,b...)

Popularity 9/10 Helpfulness 1/10 Language python

Source: Grepper

Tags: merge python r

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Contributed on Jul 05 2022

Important Ibex

0 Answers Avg Quality 2/10

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merge several data frames in r

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# put all data frames into list
df_list <- list(df1, df2, df3)

# merge all data frames in list
Reduce(function(x, y) merge(x, y, all=TRUE), df_list)
       
# Reduce() takes a function ("function(x,y) merge(x,y, all=TRUE") of two 
#  arguments and a list or vector ("df_list") which is to be ‘reduced’ 
#  using the function. 
# The function is first called on the first two components of "df_list", 
#  then with the result of that as the first argument and the third 
#  component of "df_list" as the second argument, 
#  then again with the result of the second step as first argument 
#  and the fourth component of "df_list" as the second argument etc. 
# The process is continued until all elements of "df_list" have been processed.

Popularity 10/10 Helpfulness 6/10 Language r

Source: www.statology.org

Tags: datatable data

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Contributed on May 10 2022

Irgendniemand

0 Answers Avg Quality 2/10

concatenate multiple dataframes in R

Comment

do.call("rbind", list(dataframes to merge))

Popularity 9/10 Helpfulness 5/10 Language whatever

Source: medium.com

Tags: r whatever w

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Contributed on Jun 09 2020

Nasty Narwhal

0 Answers Avg Quality 2/10

merge dataframes with different number of rows in R

Comment

-1

merge(data.frame(A, row.names=NULL), data.frame(B, row.names=NULL), 
  by = 0, all = TRUE)[-1]

Popularity 9/10 Helpfulness 1/10 Language whatever

Source: stackoverflow.com

Tags: merge merg

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Contributed on Mar 27 2022

Dina Zielinski

0 Answers Avg Quality 2/10

merge two dataframes in r

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merge two dataframes in r

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merge several data frames in r

concatenate multiple dataframes in R

merge dataframes with different number of rows in R

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