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dimitris_ps

Rating
1482.55 (4,485,643rd)
Reputation
3,824 (43,881st)
Page: 1 2 3 4
Title Δ
dplyr group_by and filter 0.00
Web scraping tables from over 5K websites listed by url in a .csv f... 0.00
How to merge several columns of the same dataframe? -0.47
Insert spaces to characters without replacement in R -1.05
R function wont modify global variable 0.00
Why appended data.frame return numbers instead of text? 0.00
In R; I would like to do something in R rather than excel because e... +0.52
Map two data-frames in R in condition that the time of one of them... +0.04
Loop URL and store info in R -0.49
R user defined function in dplyr summarise 0.00
Replace user names by numbers and count number of orders +0.40
Select specific rows from dataframe and store them into a folder +1.26
Cannot save - load xml_document generated from rvest in R 0.00
Process vector nested within a nested list in R 0.00
How to select columns whose values are larger than k in N% of the r... 0.00
Subset one data frame based on specific numeric intervals from anot... -0.10
How do i download a file from a download link using R 0.00
dplyr top_n remove 0 in summary 0.00
R download.file() rename the downloaded file, if the filename alrea... -0.93
Splitting rows into columns in R using tidyr 0.00
The dplyr way for creating a new variable using top_n -0.44
R: regular expression lookaround(s) to grab whats between two patte... +1.65
Use Excel countifs with unique values +0.26
How to collect multiple URLs from XHTML +0.26
R - Average of n observations from the most recent observed date +0.02
apply diff() only on consecutive days -1.48
Combining regex with a literal string +0.47
Read 3rd and 4rd column and append to 2nd column +0.02
Aggregation for subsets in R having same category 0.00
How do I replace brackets using regular expressions in R? +0.78
How to compute a column that depends on a function using that uses... +0.73
combine two data frame based on cell value in R 0.00
Converting date to Monday of that week -0.47
Using Tidyr/Dplyr to summarise counts of groups of strings -1.29
Using regex and subset to extract a subset of a data frame 0.00
summarizing values in table +1.18
finding min values between rows in R (dplyr) +2.14
Count number of occurences in repeated variables (r) 0.00
Filter function -3.82
how to add predicted column to data frame 0.00
To find "row wise" "Mode" of a given data in R 0.00
Use string comparisons to split a column in R -0.14
Adding a data.frame to an existing list containing vectors -0.09
Calculating Function from Variable 1 after Eliminating Level(s) fro... 0.00
",(?!.*\\))" returning "Invalid Regex" error in R -1.85
Paste grep command in R 0.00
How to substitute values from one data.frame by values of another o... +4.20
R - Filling missing values (blanks) based upon values on the same r... -2.67
subsetting with dplyr or other packages in R +1.08
Lapply in a dataframe over different variables using filters -2.84