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davsjob

Rating
1456.32 (4,530,538th)
Reputation
732 (200,482nd)
Page: 1 2
Title Δ
Create a variable in a balanced data frame that is a transpose of a... +4.96
How to convert a single date column into three individual columns (... +1.24
Strsplit split string at every character +2.60
Is there an R function to convert columns to given types? 0.00
Comma-separated file with multiple commas within cell -1.99
Finding average for every 3 columns in dataframe in R -3.52
Take the mean of three variables containing NAs to create new varia... 0.00
How can I easily combine the output of grouped summaries with an ov... +0.77
Replacing N/A in a data-frame with a value of choice -3.25
Using R, how to select values from different columns depending on o... -1.85
Replacing multiple row values within each column with N/A 0.00
Efficient way to compare all columns in data table R -2.34
creating a new variable using dplyr and ifelse where more than one... 0.00
How to manipulate this dataframe with using tidyverse -2.34
Optimizing dplyr summarise() with multiple sum() on a large dataset -3.63
R how to fill in NA with rules -1.85
extraction of last day value of each month +0.35
how to use evaluate recursively a vector of conditions on another v... -4.05
nest() followed by map() for linear models +0.54
Rowsums of specific column based on string match +4.20
Is there an R function for listing all possible combinations for co... 0.00
Combine dataframes and overwrite values in table 1 with all values... -3.19
Best way for looping in a dataframe in R 0.00
How to not make dplyr mutate calculate for missing group -3.71
R cummax function with NA -0.71
How to perform multiple row-wise operations with dependency with pr... -1.72
R if is.na() is True then perform a function not working; the condi... +0.47
When is operation complexity such that dplyr rowwise is needed? 0.00
R - how to count values over columns and divide by integers present -1.68
Remove partially identical rows in dplyr 0.00
Gathering multiple data columns currently in factor form +0.12
filter on named vector in dplyr (R) 0.00
How to most efficiently filter a dataframe conditionnaly of values... 0.00
How to add an integer to all numeric columns in r using dplyr 0.00
How to filter data when assigning a long list of parameter in tidyv... 0.00
Faster equivalent to group_by %>% expand in R -2.57
dplyr summarise keep NA if all summarised values are NA +0.82
conditionally aggregate columns using tidyverse for large time seri... -3.16
as.numeric not transforming factor to numeric +0.23
Dplyr Multiple Lags Tidy Eval? -2.95
logical value count with summarise r -1.14
Replace field values if value in list -3.83
Select last row within each group with dplyr is slow 0.00
read_csv use col_double() instead for all numeric columns -3.45
dplyr in package creation: group_by with string without group_by_ 0.00
str_sub returning NA with ifelse -1.87
Filtering tables with a character variable as a column name in dply... 0.00
R - mutate columns with different formats 0.00
How do we create the data frame using column name,number of missing... 0.00
DRY when enumerating variables in R for multiple operations in a pi... +4.03