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Rating Stats for

Darren Tsai

Rating
1579.47 (3,058th) 		Reputation
2,615 (64,638th)
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Title Δ
Selecting one plot among diagnostic plots in R 0.00
I have an empty row with 19 columns. I would like to add to this ro... +0.46
Is there a way to do a merge with one table and if not found with t... +2.44
How to create another columns by selecting only the even rows of th... -0.71
How to select the top values based on them covering a certain perce... +0.94
How do I code 2 seperate categorical variables into a single one in... -1.39
How to split one column into multiple columns based on value (norma... -0.32
How to pivot a data set longer when columns have no common type 0.00
How to express a decimal time in HH:MM +2.46
Computing mean of different columns depending on date +2.12
Multiply column values per group in r +2.32
How to merge 2 string columns in one dataframe? -0.06
dplyr summarise based on order condition with if statement -0.82
Sum across list elements whose sub-elements have the same name +1.73
how to save the console in R to a file? -1.19
Convert a data frame to other to be able to graph with billboard 0.00
How to pivot_long pairs of date-var combinations with non-matching... +2.06
Subsetting a matrix with another matrix in R -0.92
Dummy variable creation for each subcategory using tidyverse package -1.74
Getting error "object should be a named list" when plotti... 0.00
Combining two words to produce all possible character combinations -1.94
Join two columns into one in a SpatialDataFrame, but omitting NAs I... -0.71
how to suppress the NA replacement when converting to numerical? -0.04
lag function in tidyverse when the starting value is in a different... 0.00
Change names of lists at once +0.67
keeping zero count with group_by in R 0.00
Extract non-missing elements by rows and stack them +1.26
Iterating through all df column pairs and counting non-zero interse... +1.80
Add column to dataframe according to values in multiple dataframes... +2.30
Using case_when() within mutate_at() to recode rows of selected col... +0.41
Using barplot to create a bar chart, error with unused arguments +0.44
How to tidy dataset where columns are dummy variables and cell valu... +0.52
Get values from a dataframe using a loop 0.00
Overlay two alluvial plots with same dimensions -0.48
Linear Regression argument "x" is missing with no default -0.55
Spread by matched factor levels in R +2.04
Transposing values in data frame based on data in two columns -1.00
Conditional subset data frame based on value in multiple columns -0.21
Rank values of an array in R with apply -2.58
Calculate difference between a value less the first value in its gr... +1.44
Header printing every time I try show results of table 0.00
R group by and encode top 5 occurring rows -1.23
Convert (format) clock time from H:MM to HH:MM +1.17
Is it possible to change the column width using kable without kable... 0.00
Is there any issue with MAP in codes in R 0.00
kableExtra: Vertical alignment not working in PDF output with many... 0.00
Create decimal values of character hex +1.89
Find categorical indicator vector based on continuous thresholds -1.86
Erase repeated lines in r with a conditional column +0.14
Using multiple params in RMarkdown YAML fields 0.00