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Rating Stats for

Uwe

Rating
1496.72 (4,013,663rd)

Reputation
24,370 (5,280th)

Page: 1 ... 12 13 14 15 16 ... 24

Title	Δ
R: Find position of last value meeting a certain criteria for every...	-1.54
iterative subtraction of column values of two dataframes	0.00
How to get common values among all the column	0.00
Error when using pander on a data.table created with data.table::dc...	-1.82
Find time difference between highest and lowest value in data frame...	+0.49
Manipulating a factor and category in R	-2.22
R data.table by list of conditionals or row indices	+0.01
aggregate/merge over date range using data.table	-1.97
Modify certain values in a data frame by indirect reference to the...	-0.52
Export named variable in foreach loop	0.00
How to define calculations in a data frame depending on values from...	-0.79
Get the amount of records of a person of the last 5 years	0.00
To shuffle two list and merge into one list	+1.20
binned frequency from multiple variables in same column	0.00
Merge multiple variables in R	-0.88
How to parse d character to different date format in R?	+2.23
Matching with time and picking up different values from the dataset	0.00
Sum the number of firms in one year	-1.30
Impute Intermediate Missing Values	+2.55
How can I connect a data set to another when the date is between 2...	0.00
convert data frame from row per time period to one row per day	-0.05
Matching date columns with unequal length in R	+0.27
R sequential labelling of subgroups dataframes	+1.36
R - Adding a count to a dataframe based on values in current row an...	+0.51
counting/subsetting rows or columns based on category values in R d...	+0.12
How to delete 3 consecutive rows that contain the same value in a d...	+1.32
Replace some character by NA data.table	+0.32
Fill the null values in R dataframe with default but distinct values	+0.52
Construct a loop to compare two dataframes and fill the missing val...	0.00
R - rotating a difficult data frame	-1.79
How can I get average time per event from a data frame?	+0.50
Loop a data frame so that a unique variable is repeated 7 times cor...	0.00
Data mutate in R	-1.94
R reshape by day, month, year	+0.55
Wide to long data.frame merging two pairs (key/value) of columns	-0.34
Filtering of an array in a list type data.table column	+1.27
How to take the last 1 before a 2	0.00
binary search with data table, include second, third, fourth,.. nea...	0.00
Find matched pairs and their ids for matching records	+0.69
Extracting rows from data, if actual and following value of the row...	-0.34
Find greater or smaller value by grouped variable using data.table	+0.50
Matching two very very large vectors with tolerance (fast! but work...	+0.26
Finding difference between timestamps in R based on common id in an...	+0.11
How can I access all columns of `i` when using .EACHI in data.table	0.00
split and expand.grid by group on large data set	0.00
Aggregating regardless of the order of columns	-1.59
Update all the records in between from NA to the value	+0.26
Count rows since a date condition is met	-1.21
Create a new variable in data frame with condition over another dat...	+0.00
Finding nearest value within a data.table	+0.51