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Rating Stats for

Frank

Rating
1617.40 (1,172nd)

Reputation
57,070 (1,677th)

Page: 1 ... 7 8 9 10 11 ... 28

Title	Δ
Apply which.min to data.table under a condition	+1.17
R: Referencing data.table fields in cut function in j clause	+0.67
Identify the original row numbers of filtered rows	+0.07
Substring, Pad and Paste Columns in Dataframe without a Loop	+0.35
Mimic tapply behaviour in data.table	+1.04
lapply with nested list	+0.04
Strange behaviour subsetting by multiple keys using data.table	0.00
How to dynamically use lapply in data.table?	0.00
Vectorize loop with repeating indices	+0.89
data.table lapply .SD slow down drastically with increase number of...	0.00
Creating canonical basis vectors in R?	0.00
Fast sorting/Filtering based on alternating values	-2.74
Sibling network using data.table	-0.01
group a column by values of second column based on condition from t...	-2.82
For each row in a data.table, get the quantile of a value relative...	0.00
declare a variable without registering it to the environment	-2.08
Subset data.table by another data.table without merging all columns	+1.18
Iterative partitioning and labeling using data.table	0.00
Convert integer to ITime?	0.00
Expand data.table with combinations of two columns given condition...	0.00
Conditional time difference between rows. R & dplyr/data.table	0.00
Find matches to several tables: conditional (full) join using data....	0.00
R (data.table): Fast counts of value matches in multiple column	-2.54
Loop in R data.table: Create groups by variable distribution, then...	0.00
Matching column in dataframe by nearest values in column of other d...	+1.37
How to replace positions that satisfy a predicate "on the fly&...	0.00
Generate a sequence of numbers between values of vector	+0.98
Assign values in a for loop using R	+0.26
data.table rolling join for each group	0.00
data.table equivalent of tidyr::complete()	+0.30
Get all combination of n vectors taken 2 vectors at a time	0.00
How to build efficient loops for lookup in R	+0.32
Filter rows in df1 using conditions for passfail coluimn in df2	0.00
Counting unique values based on two columns with repeated rows, R d...	+0.31
Subset a dataframe with 3 threshold conditions of corresponding ID...	+0.46
Lookup value from another column that matches with variable	+0.15
How to select unique point	+0.93
list.files() in R and check which are different/new	+0.31
Matrix - Select everything except specified indices	+1.10
Using IF/Else Statements in R	0.00
R rep function with for loop	0.00
Conditional data.table merge with .EACHI	0.00
Expand list column of data.tables	0.00
Rolling Join multiple columns independently to eliminate NAs	0.00
R data.table distance from ith element to every remaining element b...	+1.23
Number of firms per year using dplyr or datatable	-0.03
Extension to previous inquiry using data.table	-2.94
How to dynamically modifying a function without causing an infinite...	+0.36
Using comparison in assignment in data.table in R	0.00
print the data.table package's .onAttach messages with knitr	0.00