python - How to combine different cells according to the customer ID? -


this question has answer here:

i have transaction data set , want transform according customer id. sample given below.

customerid    description  17850         white hanging heart t-light holder 17850         white metal lantern 13047         assorted colour bird ornament 13047         poppy's playhouse bedroom 13047         poppy's playhouse kitchen

i want data set in following order:-

17850         white hanging heart t-light holder, white metal lantern 13047         assorted colour bird ornament,poppy's playhouse bedroom, poppy's playhouse kitchen

the dataset in csv format , each value in separate cell. can suggest method in excel or r or python?

you can use aggregate() function, created own data, can own data frame above. based on customer number, texts concatenated

> df <- data.frame(customer = c(1,1,2,3,3,4), texts = c("aaa","aaa","bbb","bbb","ccc","ccc")) > df    customer texts 1        1   aaa 2        1   aaa 3        2   bbb 4        3   bbb 5        3   ccc 6        4   ccc   > aggregate(texts~customer,tostring,data=df)      customer    texts  1          1 aaa, aaa  2          2      bbb  3          3 bbb, ccc  4          4      ccc

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