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Rating Stats for

chinsoon12

Rating
1493.44 (4,328,249th)
Reputation
9,481 (16,227th)
Page: 1 ... 13 14 15 16 17 ... 22
Title Δ
data.table does not modify a column as expected 0.00
R: how to get last sold out date for each buying? +0.47
R data table rolling unique 0.00
Select rows based on a combination of matched and not matched columns -0.04
Drop ID with all NA within a group -0.91
Compute interest rate of monthly mortgage payments using R 0.00
Row-wise difference in two list using Data.Table in R -0.48
R data.table: row-based conditions split/apply/combine +1.04
`%between%` (data.table) gives me a odd result 0.00
Not Equal To in Relational Count using data.table 0.00
How to apply a function to a subset of data, where the subset is sp... 0.00
How to split/parse long strings into tabular data with R data.table... 0.00
R data.table - interpolation +0.51
R data.table use if statement in lapply -0.48
Dummy variable conditioned on repetitions in grouped observations +0.40
Ranking with a match function in R? +0.04
R data.table - aggregate partially within group and perform operation 0.00
Skipping errors in data table computation using nls 0.00
Counting the NA's in a part of a row in data.table -0.21
Exponential curve fitting with nls using data.table groups 0.00
Need first instance only when joining two tables using data.table&#... -1.04
Create a new column based on a condition on multiple columns +2.55
Identification of new values cumulatively by groups in data.table i... -1.33
I have a dataframe in r and i have to do a filtering (not a simple... -0.89
percentage change between closet years +1.33
Correct use of na.approx in data.table and pipe 0.00
Efficiently replacing negative values in large datasets conditional... 0.00
Repeated measures in messy format, need help to tidy +0.96
match values with different dates data.table 0.00
Expand data.table With Date Range, and Handle Case Where One of the... -1.94
R roll using dates not allowed? 0.00
Group by with data.table using sum +0.51
Extract the closest adjacent indices to an index in a vector 0.00
Split date sequence into one chunk (containing start & end date... -0.15
Find the latest sequence of TRUEs with length equal or greater than n -1.34
vectorially finding neighbors to data frame rows -0.10
change of value format to standard 30-second format in R 0.00
R - How to calculate the frequency of occurence within a specific t... -0.94
R previous index per group 0.00
Aggregating over time and value difference +0.51
How to use apply when each calculated value depends on previous value 0.00
Sum value of variable based on duplicate values of another variable -0.08
Aggregate Column from Data Frame 1 and Insert to Data Frame 2 0.00
It is possible to take a previous row value grouping by two differe... +0.52
Return one variable based on match of another across groups in data... +0.68
Divide Items based on their available stock to other ID 0.00
Adding value of row below in R - most efficient 0.00
Check rows for NA, but with starting column specified by value in s... +0.25
Change "actual year" columns into columns that are relati... -1.75
data.table apply function on each column 0.00