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Rating Stats for

Ricardo Saporta

Rating
1533.06 (16,004th)

Reputation
41,631 (2,640th)

Page: 1 2 3 ... 16

Title	Δ
Invalid value at 'start_index' (TYPE_UINT64), "1e+05&q...	-0.55
Replacing Actual Data Points With NA	0.00
using .to_json to convert a data-frame to JSON messes up datetime d...	0.00
how to draw three bars for a variable using ggplot?	-0.16
How to suppress randomly popping Korean characters in warning messa...	0.00
Cutting POSIXlt types by hour in R	-0.84
calculate the mean of every 13 rows in data frame in R	-1.04
Reduce several large tab delimited matrices based on rows and colum...	0.00
Get an "Error in data.frame(..., check.names = FALSE) : row na...	0.00
Transposing a data.table with reshape2:::dcast	0.00
Check if there are list elements different from character(0)	+0.04
R: Roll up column values containing NA's by sum while grouping...	+1.93
Need to access Google Custom search api through R	-0.38
replace NA with data from another column in R	-2.00
replace NA with data from another column in R	+2.00
R getting mean for every nth row	-1.20
Merge several data frames having the same variables and observations	+1.78
PostgreSQL and R. Integration	0.00
sum up cells in matrix according to different hierarchical level	0.00
Generate dummy variable with multiple levels in R	-1.57
Analysing data with time in R	0.00
How do I keep all escape characters in a SQL string for querying a...	0.00
For loop not working within a function	+0.45
Recoding 150+ categorical variables in R	-0.29
R - Find every location of a string in a data frame	+0.45
How to delete specific rows from a data frame on R.	0.00
How to (randomly) filter data.table based on other data.table	-0.55
R: Combine columns based on different information in another column...	0.00
Have nomatch return value as-is using match function in R	-0.78
R quadprog error: (list) object cannot be coerced to type 'doub...	0.00
One-to-Many Left Join / Merge in Data.Table in R	0.00
Format date strings comprising weeks and quarters as Date objects	+1.18
Multiple columns in R to conditionally modify other columns (not cr...	+0.46
R: Remove all variables stored in a list	+1.74
How do I remove the double quotes from a csv file using R before ap...	0.00
Why is sapply() taking my matrix and turning it into a list that I...	+0.46
Read local HTML file into R	0.00
Conditionals in R	+1.49
Unexpected output in converting numeric variable to a dummy variabl...	0.00
Year fractions using Actual/365 convention in R	0.00
R - reshape start-end time intervals to identify overlapping times	0.00
How would I perform quantile() of a sub-list within a list in R?	0.00
Add column to Data Frame based on values of other columns	+0.90
R - Using reshape() to turn data frame into a two column matrix	+0.23
Keep one maximum value per row in a matrix in R	-0.21
How to create a time lag of a column of dates by another sorted col...	0.00
R: how to set condition such that all variables are different? a!=b...	-1.41
gsub() on multiple dataframes in loop/lapply	-1.08
Logging and writing error messages to a dataframe	0.00
Wanting to sum one variable, while collapsing another	0.00