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Rating Stats for

Brian Davis

Rating
1462.88 (4,526,757th)
Reputation
477 (283,766th)
Page: 1
Title Δ
Replace values in one dataframe with another thats not NA +0.63
Create Multiple Missing Data Points in R +4.53
Create a vector from another selecting some of its values at random... -0.74
Plot different colors using for loop 0.00
R convert list with multiple string lengths to data frame +1.37
Creating a function to split single number in approximately equal g... -0.58
Find a specific value multiple times in a time series +4.79
Select only elements of a list containing tables with two columns i... -0.67
How can I insert blank rows every 3 existing rows in a data frame? -3.46
How to replace values in dataframe between value x and y -1.17
Changing the conditions to replace elements in a vector -0.64
How to conditionally append a data frame row to one above -3.16
Generate non-negative (or positive) random integers that sum to a f... +1.61
How to combine contents of two frequency tables into one frequency... +4.78
How to create data frame by extracting strings before and after a s... 0.00
R extend vectors to be the same length around central value 0.00
How can I count the frequency of string by another column value in... -2.03
How make a stacked plot on several binary variables in R -3.54
Extract values of lists based on other list R +0.64
Counting groups with shared elements +0.43
Taking the sum of blocks within a matrix in R -1.91
Flatmapping and splitting list items -2.62
Extract character from string based on character in another vector... -0.81
sample list randomly and remove used values +0.67
Split a variable in R -3.20
How to subset a data frame by removing all rows from columns with a... -1.62
Use the levels of a dataframe column to add a new column with an in... -2.91
R how to match numerics in a list to dates in a data frame 0.00
Populating missing date values -0.43
Perform arithmetic on each element of a vector (column) based on th... -3.85
How to delete columns one by one in specific order in R -1.92
Function for determine and count binary sequences -3.63
Put list name into dataframe column when working with list of dataf... -3.40
Extract 2 words in any order -2.63
Find matching one, two or three word phrases in a string in R +0.01
Extract only the characters that are between opening and ending par... -2.23
R - Add data from another dataframe based on two criteria +4.46
Filter a list that contain ALL of multiple partial strings in R -1.32
Selecting values from named table object if one of the names is <... 0.00
Pairwise comparisons across columns from two different data frames 0.00
Create new variable based on function of other variables -0.93
For each value of one column, find which is the last value of anoth... -2.86
Plotting time periods with value -3.69
R: Mapping unique columns of matching elements in 2 matrices -4.78
Count occurrence of a value within a data frame within the rows abo... +3.78
How to calculate a day difference like a SQL Windows function in R -4.10