Norbert Köhler nrkoehler
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derekmcloughlin
/ stats_equations.Rmd
Last active
February 21, 2024 15:44
Useful Latex Equations used in R Markdown for Statistics
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| --- | |
| title: "Sample Equations used in Statistics" | |
| output: html_document | |
| --- | |
| ### Summations | |
| ### Without Indices | |
| $\sum x_{i}$ |
dfalster
/ addNewData.R
Last active
February 19, 2023 00:29
The function addNewData.R modifies a data frame with a lookup table. This is useful where you want to supplement data loaded from file with other data, e.g. to add details, change treatment names, or similar. The function readNewData is also included. This function runs some checks on the new table to ensure it has correct variable names and val…
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| ##' Modifies 'data' by adding new values supplied in newDataFileName | |
| ##' | |
| ##' newDataFileName is expected to have columns | |
| ##' c(lookupVariable,lookupValue,newVariable,newValue,source) | |
| ##' | |
| ##' Within the column 'newVariable', replace values that | |
| ##' match 'lookupValue' within column 'lookupVariable' with the value | |
| ##' newValue'. If 'lookupVariable' is NA, then replace *all* elements | |
| ##' of 'newVariable' with the value 'newValue'. | |
| ##' |
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