delete unused code in this method
get mean value from the combined data
modify gitignore
writing mean in anoter sheet
delete something unused
add column_constant so that we can easy to maintain the program

I'm wrong, it's notmean_column_constant
modify the usage of parameter using row_constant
modify name again, I'm wrong

because I can use column_constant to get sigma, SE
write sigma , SE
add redox ratio of mean/ sigma / SE
init
Revert "init"

This reverts commit 2f35dd9f48a32c52221f52fb749c7f7766bf125a.
make arrays to struct, in order to maintain code easily
fix bug with structure
delete unuse code
implement 'sheetsappend' to avoid hardwork

It's easy to add attributes
add some commit
let the code shorter

... is very good job!
add 335/460 sheet
avoid hardwork