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Rating Stats for

Yannis Vassiliadis

Rating
1561.38 (5,357th)

Reputation
1,587 (103,749th)

Page: 1 2

Title	Δ
Detecting empty strings in a vector and replacing each empty string...	-4.76
Filtering a dataframe	0.00
How to subset data.table using vector of strings in r	0.00
R: iterate a function over two lists simultaneously using lapply?	0.00
R - Identifying the most statistically significant variables that d...	+2.95
Reducing spacing between lines when using atop	+3.32
Perform multiple rolling regression with different columns (indepen...	+3.39
Perform two-sample t-test and output the t, p values for two groups...	0.00
Basic R: Subsetting DF by Columns with Logical Vector	+3.83
Nested For and If Loops in R	-0.50
Linear regression not returning all coefficients	+3.22
Replace Conditional Row Values By Group in R	-0.10
Lasso feature selection in r	0.00
R: convert nested JSON in a data frame column to addtional columns...	+3.99
R - counting number of daily values within a specific range per fac...	-0.79
R regression model	-0.73
Create function with names from data frame	+3.46
Optimize: value replacement in data frame wiith multiple conditions	+0.45
Fixing date format in R	-1.95
Increment values in vector conditionally (conditional restarting ru...	+3.25
How to group and extract rows with condition	+4.02
Combining 2 Aggregates using Merge in R	-0.31
Translation from R to Python: index of last nonzero element in a row	+3.55
Using apply() with a custom function and a second data frame	+1.38
How can I convert a column vector to the diagonal of a matrix?	0.00
I'm utilizing an if/else statement to separate a data set into...	+3.70
Save an object in R using a function parameter as name	-2.85
Obtaining a vector of words within a string beginning with a patter...	-1.46
how to use apply family to average multiple conditional arguments i...	0.00
Remove rows based on first instance to meet a condition	-3.92
Dummy Code with Multiple Conditional Statements to return multiple...	-4.44
Replace all characters after the first in a string	-3.72
function not accepting column call	+1.44
String matching on a R column	+2.76
taking minimum and maximum date and time in R data.table group by	0.00
Run lagged regressions for finance data	+3.56
How to select tuples that begin with a certain substring in R	+3.62
How to fix incorrectly encoded string?	0.00
In loop, use {i} as text, or change columns names in a loop/lapply	+3.73
Numeric to Alphabetic Lettering Function in R	-1.40
Frequency table from multiple columns with unique variables per row	0.00
R, Add binary columns based on values in existing column	0.00
Remove elements of list based on condition during "loop"	0.00
Type codes in latex so that they look different from regular texts	0.00
R: Absolute rolling deviation (with offset 1) on a matrix	-0.38
Stargazer() does not fit the page	0.00
how to compute weighted average from a list of table in R	0.00
mapply / expand.grid () for argument's combination with a condi...	0.00
how to get column specific unique values in data.table in r	0.00
creating a function and subset of data frame is not working in aggr...	-2.27