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Ritchie Sacramento

Rating
1626.95 (944th) 		Reputation
3,007 (56,243rd)
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Title Δ
Extracting data frame from strings between values in R +1.75
How to discard rows over certain time lag from starting date by gro... -0.29
R - How to find three smallest values per row in a data frame? -1.51
elements from list of list in R -0.31
Emulating reshape2::melt with pivot_longer for matrixes 0.00
How do I flip numerical data in R? 0.00
Omitting a digit in a string using grepl in R 0.00
How to handle or ignore NAs when using ifelse to mutate a new colum... +2.13
Mimicking a secondary tidy dots argument in an R function 0.00
R paste html string with header +0.37
get wrong values when level factors 0.00
Merge Values of Columns if Another Column is Duplicated 0.00
Counting first occurrences of a disease in R +0.88
How to make a matrix with exactly two numeric values per row and NA... +1.92
Cleaning web text using readLines and the tm-package in R 0.00
Extract residuals from models fit in purrr +1.94
matching row values (text) with column names and return value +0.51
R function that makes several changes to multiple columns -2.29
Count all possible combinations no matter the column order -0.29
how to fill missing values in a vector with the mean of value befor... -1.06
Count the Number of Changes in a Date Column based on another Attri... +0.05
R: Find the character position of where 2 strings differentiate +0.16
Filter all rows with word next to a specified word in R -0.25
Count and summation of positive and negative number sequences -1.04
How to complete missing values in column and row of a dataframe bas... -1.05
Add P values to comparisons within groups boxplot -0.12
Transpose data from multiple rows per person to one row per person... 0.00
How to add multiple columns in R with different condition for each... +0.23
Label a Boxplot with number of subgroups and observations per box 0.00
R: Change rows in dataframe if value repeats after n elements +1.70
How do you create a legend entry for a single geom/color combinatio... 0.00
R: t-test for each pairwise combination of a grouping variable, don... -1.57
How to sort the values of each obs of a data.frame? -1.64
How to add R2 for each facet of ggplot in R? +1.84
Is there a way to combine dplyr::filter_at results? (filtering many... +1.49
Drop a named column if and only if all values are NA -0.08
How to get 0-padded binary representation of an integer in R language +1.49
How to calculate mean over date range in two data frames -1.88
adding color pallet to base R plot function 0.00
Binding rows of multiple data frames containing columns of class in... 0.00
How to convert scientific notation to decimal in tibbles? 0.00
Counting the number of rows for different combinations of factors +1.61
Creating new columns based on existing columns in R -1.12
Convert month names to numbers in r 0.00
Create categorical variable from mutually exclusive dummy variables -0.83
Finding which elements in a vector have an edit distance of one and... 0.00
Remove identical values if the same as previous in a time series +1.05
Assign group id to sequence of concecutive unique values in timeser... -1.08
Optimize calls to mutate and summarise? +1.08
How to multiply the analyzes according to the modalities of a third... 0.00