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tablecloth.column.api.missing
count-missingclj
(count-missing col)Returns the number of missing values in column col.
Returns the number of missing values in column `col`.
drop-missingclj
(drop-missing col)Remove missing values from column col.
Remove missing values from column `col`.
replace-missingclj
(replace-missing col)(replace-missing col strategy)(replace-missing col strategy value)Replace missing values in column col with give strategy.
Strategies may be:
:down- Take the previous value, or use provided value.:up- Take the next value, or use provided value.:downup- Take the previous value, otherwise take the next value.:updown- Take the next value, otherwise take the previous value.:nearest- Use the nearest of next or previous values. (Strategy:midis an alias for:nearest).:midpoint- Use the midpoint of averaged values between previous and next (non-missing) values.:abb- Impute missing value with approximate Bayesian bootstrap. See r's ABB.:lerp- Linearly interpolate values between previous and next nonmissing rows.:value- Provide a value explicitly. Value may be a function in which case it will be called on the column with missing values elided and the return will be used to as the filler.
Replace missing values in column `col` with give `strategy`.
Strategies may be:
- `:down` - Take the previous value, or use provided value.
- `:up` - Take the next value, or use provided value.
- `:downup` - Take the previous value, otherwise take the next value.
- `:updown` - Take the next value, otherwise take the previous value.
- `:nearest` - Use the nearest of next or previous values. (Strategy `:mid` is an alias for `:nearest`).
- `:midpoint` - Use the midpoint of averaged values between previous and next (non-missing) values.
- `:abb` - Impute missing value with approximate Bayesian bootstrap.
See [r's ABB](https://search.r-project.org/CRAN/refmans/LaplacesDemon/html/ABB.html).
- `:lerp` - Linearly interpolate values between previous and next nonmissing rows.
- `:value` - Provide a value explicitly. Value may be a function in which
case it will be called on the column with missing values elided
and the return will be used to as the filler.cljdoc is a website building & hosting documentation for Clojure/Script libraries
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