[R] How to modify data frame stored in a list

Honkit Wong @tephen66 @ending from gm@il@com
Mon Jun 18 22:46:57 CEST 2018

Dear R community,
I have a question seems very simple but have trouble to do it. 
I have a list which stores many data frames. Now, I want to perform log10 on one column in each data frame in the list and save the value as a new column back to the original data frame in the list. How do I quickly do that with lapply function ?

Many thanks. 

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