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New posts in data-manipulation

Calculating mean of means by groups with conditions in R

r dataframe grouping data-manipulation

Find the minimum date between two maximum dates based off unique values in a column

r dataframe dplyr data-manipulation

Group by operarion in R

r data-manipulation

Pulling data from a different data.frame with dplyr?

r plyr data-manipulation dplyr

Use a character vector in the `by` argument

r data.table data-manipulation

Cumulative minimum value by group

r data-manipulation

Using effect of Traversable [] and Applicative Maybe in lens library

haskell data-manipulation haskell-lens

Appending column values into new cell in the same row in Pandas dataframe

python pandas data-manipulation

How to mutate a column based on values occurring in a particular sequence?

r data-manipulation dplyr

Downsampling data in Matlab by averaging [duplicate]

matlab for-loop vector data-manipulation downsampling

PHP XMLReader read , edit Node , write XMLWriter

php xml xmlreader xmlwriter data-manipulation

Data munging in pandas

python pandas dataframe data-manipulation data-munging

Data recognition, parsing, filtering, and transformation -- GUI?

python ruby perl kettle data-manipulation

How can I use value_counts() only for certain values?

python pandas data-manipulation

How do I impute missing variables in R using dplyr?

r dplyr data-manipulation

assigning new values based on the location in the sequence

r if-statement for-loop conditional-statements data-manipulation

Manipulating mcmc.list object in R

r data-manipulation mcmc jags

Filling "implied missing values" in a data frame that has varying observations per time unit

r merge dplyr data-manipulation tidyr

Efficient recursive random sampling

r performance recursion random data-manipulation
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