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Melissa Key

Rating
1517.87 (36,619th) 		Reputation
3,418 (49,333rd)
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Title Δ
R: Replace values in dataframe A with dataframe B based on criteria 0.00
Parsing filenames with strsplit with variable number of #s +0.65
Loop through dataframe rows and add value in a new column (R) 0.00
Gather using rownames 0.00
R plot, how to start y at non zero? +0.45
In R, group by sports data that has Away and Home teams - a common... +1.00
Perform arithmetic matrix operators if it meets criteria in R 0.00
How to replace negative values in a dataframe column with a differe... -0.23
dynamically add rows to rhandsontable in shiny and R 0.00
R: efficiently computing summaries of value-subsets whose contents... -0.91
Use dynamic (variable) string as regex pattern in R -0.48
extract the content of a column in a list of data frame R +0.47
R Accessing vector element within a list 0.00
Indexing vectors in r language +2.03
Populate new column row-by-row using values from different existing... +2.63
How to subset data while excluding certain values? -0.02
Centering color around 0 with RColorBrewer +1.16
R Data Frame Cut 0.00
How to search the value of each row in multiple columns in R? 0.00
generating patterned vectors / sequence in r -0.52
Excluding variables and those near them- r dplyr +2.35
R make subfactors based on consecutively occuring value +0.39
By group, match values to a particular value +2.08
Using for loop to get a list data frames in R -0.68
Count number of non-NA values for every column in a dataframe -0.42
Rename certain values of a row in a certain column if the meet the... -1.36
Replace mean of the column using for loop in R -0.64
pandas2ri.ri2py_dataframe(r_dataframe) returns floating point numbe... 0.00
How can I estimate an x variable from a y variable in R? +2.14
how to convert a dataframe to a list 0.00
Reshape by id and activity intensity prediction (sums) -0.66
My matrix-populating code is giving NAs? -0.12
How to mutate a data.table for a lots of columns? -0.10
Insert string after every Nth word 0.00
merge two datasets with datatable but keeping one of the identical... -0.73
language recommendation for simple reporting from csv files in loca... 0.00
How to make log function in both sides of linear model 0.00
R Generating values based on comparison of previous columns -0.58
How to obtain diagonal elements of the matrix in R 0.00
Generate a perfectly normally distributed sample of size n in R +0.54
Identifying partner changes across columns in R 0.00
Indexing by column name to the end of the dataframe - R -1.29
Manipulating a list -0.73
How to do a replace with backreferences, when the number of occuren... +0.58
Randoming equal values in order in R +0.30
inconsistency in a for loop with lists -2.51
Iteratively add values to a list by using indexing in a for loop 0.00
How can I return a plot from for loop in R? 0.00
Setting row names on a tibble is deprecated. Error: invalid 'ro... -0.56
groupby summarise outside of groupby dplyr -0.48