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Rating Stats for

G. Grothendieck

Rating
1622.82 (1,021st)

Reputation
165,339 (319th)

Page: 1 ... 67 68 69 70 71 ... 105

Title	Δ
how to read multiple specific columns out of compressed .csv file i...	0.00
Using an R Markdown Document as a source for functions	-2.60
How to remove part of element for many columns?	+1.04
Evaluate the polynomials returned by poly outside R	0.00
Inserting rows into a dataframe based on a vector that contains dates	-0.15
Block-by-Block Matrix Tranpose in R	0.00
Plot results from the model returned by lm	+0.36
Changing options() in a function environment without changing optio...	-1.53
R Programming 30 day Months	+1.58
Interpolating when there's NA's	0.00
Insert a variable into a SQL statement	-0.65
Generate random numbers spaced at least 10 apart	+0.61
Selecting digits from messy vector via gsub / regex	-0.96
Functions without arguments	+1.62
Convert decimal into days, minutes hours and seconds in R	+0.40
seting XML indentation in the XML R library	0.00
format split labels in rpart.plot	0.00
Call lm with a model matrix instead of a formula	0.00
Run a linear regression that uses one column to predict the log of...	0.00
How to Transpose & Merge Lines in R	+0.36
Cumulative Mean with Conditions	+2.28
Elementwise subraction, of sorts, between two matrices	-2.28
Cumulative Mean with Grouping and Lag	+1.78
R: minpack.lm::nls.lm failed with good results	+2.29
Convert postgres array in csv dump to vector	-1.79
Count number of months since start in a data frame	+0.41
Equal and opposite slopes in segmented package	0.00
Creating vectors of equal length from R dataset and plotting them	0.00
Extract the names of rejected variables from step function	0.00
Quadprog- Quadratic programming form	-0.13
Collecting all function arguments in R	-2.00
Finding R^2 for each row and rows previous	0.00
Estimating missing values in time-series data frame based on a &quo...	+0.35
Dealing with nonexistent data when converting to time-series in CRA...	0.00
Setting column classes and assigning factor levels, without using a...	-0.39
How to apply a and not b pattern match using regex in R	-1.43
Common operations between multiple S3 methods	0.00
Fitting boxcar (rectangle) function in R	+0.36
Estimating the Standard Deviation of a ratio using Taylor expansion	-2.12
How to save a standalone R environment object	0.00
How to read in XML files with multiple root elements in R?	-2.62
What does the dplyr period character "." reference?	-0.18
How to use regular expressions properly on a SQL files?	+0.34
remove spaces added with using as.formula	0.00
How does one achieve in R SUBSTRING function like the functionality...	+1.67
Grouped moving average in r	-0.15
Reading and writing files in xts format with R	+0.45
Substitute on quoted arguments	0.00
Merging data frames with different number of rows and different col...	+0.36
R: is there an equivalent of diff(x) for dividing?	-2.27