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AntoniosK

London, United Kingdom

Data Scientist @ JustGiving, London, UK.

I use data science in order to increase genereosity around the world and make sure every good cause gets funded.

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Top Questions
Top Answers
19
applying two-sample t.test comparing multiple groups in two categories
stats.stackexchange.com

18
Extract Regression P Value in R
stackoverflow.com

12
Unnest a list column directly into several columns
stackoverflow.com

11
Plot the equivalent of correlation matrix for factors (categorical data)? And mixed types?
stackoverflow.com

10
extracting p values from multiple linear regression (lm) inside of a ddply function using spatial data
stackoverflow.com

10
How to pass extra parameter to purrr::map with dplyr pipe
stackoverflow.com

10
avoid scientific notation x axis ggplot
stackoverflow.com

8
summing multiple columns in an R data-frame quickly
stackoverflow.com

7
r for loop for regression lm(y~x)
stackoverflow.com

7
Conditional fill values in R data frame
stackoverflow.com

7
Creating new column combining info in two columns, alphabetically
stackoverflow.com

7
How to perform statistical test using dplyr grouping and then make tibble with broom
stackoverflow.com

7
R - Classification ctree {party} - Testing sample and leaf attribution with unbalanced data
stats.stackexchange.com

7
Using a t.test inside dplyr summarise after grouping
stackoverflow.com

6
How to get a frequency table of all columns of complete data frame in R?
stackoverflow.com

6
How do I store lm object in a data frame in R
stackoverflow.com

6
Transposing data of column X in condition of data in column Y
stackoverflow.com

6
dynamic aggregation by category in R
stackoverflow.com

6
Subset variables by significant P value
stackoverflow.com

6
R: Convert contingency table to long data.frame
stackoverflow.com

6
r- how to remove a particular string from column values
stackoverflow.com

6
How to explicitly name the count column generated by the .N function?
stackoverflow.com

6
Add row to dataframe with sum of within group data
stackoverflow.com

5
Efficiently combine timestamped sensor data into events in R
stackoverflow.com

5
How to determine similar values around a particular row in R?
stackoverflow.com

5
Function in R to convert a decimal to a fraction with a specified denominator
stackoverflow.com

5
Expand data.frame by adding new column
stackoverflow.com

5
Using group by and tidy to run several models and extract results to dataframe
stackoverflow.com

5
How to build and test multiple models in R
stackoverflow.com

5
ggplot2: Add p-value to grouped box plots
stackoverflow.com

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