Replace missing value with previous value
93192
Replacing NAs with latest non-NA value
102374
Replace a String between two Strings
64266
How to replace a letter in a string with a new letter that will not be updated
65270
How do I perform string matching and replacements?
90575
How do I replace NA values with zeros in an R dataframe?
139283
update line based on previous line
13997
Problems with Missing values
153353
if Row1 = Value 1, Update other rows
49862
Aligning Data frame with missing values
19719
How to assign the result of the previous expression to a variable?
67093
postgresql - replace all instances of a string within text field
104482
How to change specific values in a List
76748
Replace values in a vector based on another vector
97500
Modifying a column in a table
139814
Replacing some characters in the previous command
142689
Carry over long sequence of missing values with Postgres
122732
Equivalent of "former" and "latter" for more than 2 items