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Rating Stats for

aichao

Rating
1525.83 (22,903rd)
Reputation
5,872 (27,817th)
Page: 1 2 3 4 ... 5
Title Δ
Assigning location values based on date and time of a second data set 0.00
Collapse cases in a dataframe only under certain conditions +1.86
R Programming- Permutation regarding repetition and order 0.00
Squeeze extreme ranges in a data.frame 0.00
Select n rows around every specific row meeting condition +2.35
Assign value in all rows following satisfaction of first instance i... 0.00
how to select submatrix in a (adjacency) matrix based on ties, in R 0.00
Categorize continuous variable with dplyr -0.09
R: frequency with group by ID +1.10
Finding first occurence of a value in every group R +0.21
Combine data within two data frames in R -1.02
How to find most frequent levels of factors? +1.68
separate different combinations of names to first and last using dp... -0.02
R - handing duplicate rows -1.50
summing the overlap in two matrices 0.00
Central Limit Theorem in R -0.48
How to align the number of values in the list? -1.12
R: How to create a new data frame from two other data frames +0.48
How to identify duplicate items within a subset of data -1.68
dplyr : how to get two-way tables with marginal proportions? -0.96
Extract sub-matrices from binary matrix in R -0.40
Combining "aggregate" with a user-made function -0.53
Calculate and summarize total distance in a table using dplyr in R 0.00
Timezone in timestamps imported from csv 0.00
insert new series rows based on time-stamp in R -1.78
R: Aggregating data by column group - mutate column with values for... -0.06
Subset Columns based on partial matching of column names in the sam... -0.65
R: how to use random forests to predict binary outcome using string... 0.00
R replace values from another dataframe by IDs +1.23
R unlist and multiply (date intervals) 0.00
Finding unique combinations based only on one of the columns using... -0.04
R - Aggregate denominator based on condition, for use in percentage... +0.47
How to apply a function to a matrix in R +0.44
Merge 2 row value based on another common column in R +0.45
Select array entries based on 2D matrix values +0.47
How can I remove night time points from GPS track data in R? +1.81
Referring to Previous element in middle of column in R 0.00
Removing duplicates based on 3 columns in R 0.00
R - allocate a share of a number over different columns using an if... 0.00
How can I use two conditions in duplicate function? 0.00
for loop with function that writes to 3 separate columns R or dplyr... +0.49
Efficient resampling for the sum of specific values in a dataframe -0.93
constructing time-series data 0.00
Merge two data frames by a max number condition in r -0.02
How to keep count in a recursive function in R? +0.15
R subset data by date and hour; for loop or sapply()? 0.00
Merging rows with shared information +1.57
Enumerate all possible combined probabilities of a series of Bernou... +1.78
R Apply Array Output Dimension 0.00
R, replace values in a data.frame by values from another data.frame... +0.49