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How can I replace missing values with previous or following nonmissing values or within sequences? 1. The problems. Users often want to replace missing values by neighboring nonmissing values, particularly when observations occur in some definite order, often (but not always) a time order.
31 Ιουλ 2020 · I have imported a csv file from R into Stata and am not sure if there is a succinct way for replacing all the NA values with missing. I have tried: replace 'var'= "." if 'var'== "NA" .......
11 Ιαν 2018 · perhaps you have to replace the missing values with zeros, or the other way round, before adding. Finally, drop the old variables and rename the new variables with the names of the ones you just dropped.
replacing a given worksheet: export excel :::, sheet("", modify) or export excel ::: sheet("", replace). Advanced datestring("datetime format") exports all datetime variables as strings formatted by date-time format. See[D] Datetime display formats. missing("repval") exports missing values as repval. repval can be either string or numeric ...
22 Σεπ 2023 · This column focuses on the easiest problems in which a researcher is clear, or at least highly confident, about what missing values should be instead, implying a deterministic replacement. The main tricks are copying values from observation to observation and using the ipolate command.
4 Δεκ 2018 · i have a set of data (n=586) with 29 variables. in some of the variables i have 2 to 3% missing values. what is the code to replace the missing data by mean or median for all variables at once. thanks in advance
23 Ιουλ 2013 · Take a look at replacing missing values with neighboring values FAQ and at user-written xfill. The latter is useful for filling in static variables. It replaces missing values in a cluster with the unique non-missing value within that cluster.
