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Rating Stats for

G. Grothendieck

Rating
1622.82 (1,021st)
Reputation
165,339 (319th)
Page: 1 ... 41 42 43 44 45 ... 105
Title Δ
I need to remove the backslashes from the following string which is... 0.00
Reporting regression tables using rmarkdown in Word format 0.00
applying cross product (kronecker) many times +0.33
In R, how do I easily return the proportion of common unique elemen... +0.38
How do I calculate annualized return with NA in data? 0.00
How split column of list-values into multiple columns? +1.39
xts dropping column names 0.00
Sum roll of a metric for different groups in R 0.00
Sum of consecutive same values +1.47
R add totals to columns? 0.00
Try an expression multiple times until it succeeds in R 0.00
Expected return and covariance from return time series +1.38
Calculate a weighted sum from a timeseries with irregular spacing b... +1.25
rle function in R for groups -0.46
Rolling mean with different window length +0.36
Compute a window function on a data frame column 0.00
Mathematical function (for e.g., sd) of all prior values of a varia... +1.00
Recognize time in R +0.09
How can compute rolling window for standard deviation in R? 0.00
Add a column to data frame n days before an observation -0.36
What does the unusual expression "~~~" in R code do? 0.00
Calculate the Average Based on Date in a Column in r +1.08
Zoo Time-series - extend x-axis in plot 0.00
Create a new variable based on value across columns -0.90
How can I make a loop in R that produces these matrices? 0.00
R - Conditional operations on time variables and dates -0.68
Is there is a transformation function that transform values to -1 t... 0.00
How to group or subset a data frame by two conditions in R +1.32
Using pipes within map() in R 0.00
Subsetting by counts +0.31
How to use one function which might have different parameter sets 0.00
Error in lm.fit(x, y, offset = offset, singular.ok = singular.ok, .... 0.00
Rolling standard deviation for multiple firm, with different time p... 0.00
R: Set function as generic for some class 0.00
Setting dependent variable via numeric indexing in linear model in R 0.00
Transform a time series matrix into ggplot format +0.05
Find maximum depth of nested parenthesis in a string R code -2.39
Select column names by regex pattern -0.19
Adding a new column in a data frame using a formula that combines e... +1.38
Let inner function use arguments of outer function +0.34
time series aggregation by month in R -2.28
FRED data: aggregate quarterly data into annual +0.35
R convert date, time and time zone strings to POSIXct +2.04
How to use map from purrr with dplyr::mutate to create multiple new... -0.88
Cumulative rolling mean and ranking 0.00
Extracting a character that contains a certain type of element in R +1.30
replacing second occurence of string with different string +1.60
dplyr: Build set of items in list column 0.00
Find distribution of consecutive zeros +1.76
rolling regression by group in the tidyverse? +0.68