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Need help calculating ratio of non numeric value in rows in datafra...

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Classification of data in R

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How to add a column with the columnnames of the value in the row?

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How do I subset a list with mixed data type and data structure?

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How to use the predict function for linear models stored in tibbles...

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Keep both source .docx filename and comments data when using docxtr...

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Compare value to previous row in for loop

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extract the value of a variable subset whose name is built in a for...

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Normalize specified columns in dplyr by value in first row

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Subsetting data set to only retain the mean

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How to extract unique values of a nonfactor column based on its cl...

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Merging two data.frames by two columns each

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Count appearence of elements in String

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Applying Reduce() in loan modeling in R

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Remove string after first number using r regex

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Need help removing time pattern from date in R

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Remove duplicates if an observation appears consecutively, order ma...

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How to grep columns matching a pattern and calculate the row means...

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I want to count every occurrence of a value/character in each row o...

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Mutate columns such that basenames line up together

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how to sum the columns of a weighted dfm in quanteda?

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How to add a sequence of numbers based on the column value?

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Dplyr group_by summarize keep min/max value for each column within...

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How do I add characters to the beginning or end of result of paste0?

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Find multiple strings in entire dataframe

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Reordering columns in large data frame

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How can I get the Time of maximal concentration by `Subject in the...

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How to make a sequence of values in a factorial dataframe?

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R if is.na() is True then perform a function not working; the condi...

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Group and summarize data with countif calculation

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A list of dataframes where column variable type to be changed from...

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Order, sort or rank rows by group in dataframe

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How to apply grepl to match values in multiple columns across a dat...

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R language the result will be NA or different after using as.Date

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How can I remove all but certain words from a column with alphanume...

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Median from multiple rows and columns in a data table with grouping

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R array as.Date conversion

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split strings and convert to data frame

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combining ldply to combine multiple csv files AND add column with f...

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How to apply functions sequentially with purrr and pipes

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Conditional replacement of a string in data frame

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Add every three rows of data frame and them multiply the new result...

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passing command line arguments to anova

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What does replacing `vars` attribute by `groups` mean in R with dpl...

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Add a column to a dataframe, skip pasting in rows with 

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Renaming columns excluding a certain set of columns

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Using str_extract to extract dollar amounts

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Using get() inside of mutate() to add columns based on a value from...

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How do you remove an isolated number from a string in R?

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Words including spaces count from a column

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