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24 maj 2016 · Using mathjax, you can use the "pipe" symbol |to indicate absolute values. Try this: $$ |-3| $$ In your case: $$MAPE = \frac{1}{n} \sum_{d_i} (\frac{1}{q} \sum_{t_j} |\frac{gap_{i,j}-s_{i,j}}{gap_{i,j}}| )$$ This gives:
19 paź 2016 · Math inside RMarkdown. In side a text chunk, you can use mathematical notation if you surround it by dollar signs $ for “inline mathematics” and $$ for “displayed equations”. Do not leave a space between the $ and your mathematical notation. Example: $\sum_{n=1}^{10} n^2$ is rendered as \(\sum_{n=1}^{10} n^2\).
12 sie 2018 · Is it possible to perform simple calculations in text with RMarkdown? For example when typing:...compound A (50 mg, ?0.05/2? mmol) was added... where ? is some syntax to let RMarkdown know that it needs to calculate what is in between rather than just exporting it as text, to get in the word output file:...compound A (50 mg, 0.025 mmol) was ...
Matrix \@ref(eq:matex) \begin{equation} X_{m,n} = \begin{pmatrix} x_{1,1} & x_{1,2} & \cdots & x_{1,n} \\ x_{2,1} & x_{2,2} & \cdots & x_{2,n} \\ \vdots & \vdots & \ddots & \vdots \\ x_{m,1} & x_{m,2} & \cdots & x_{m,n} \end{pmatrix} (\#eq:matex) \end{equation}
How to apply the abs function in R - 6 examples - Calculate absolute values in the R programming language - Absolute value of matrix, column & vector
4 gru 2020 · Learn how to take absolute value in R from a 1) vector, 2) matrix, & 3) dataframe using base R and dplyr.
12 kwi 2020 · We will now learn how to calculate selected descriptive statistics in R. First we will go over how to calculate some basic descriptive statistics before seeing how to disaggregate our data into groups before calculating descriptive statistics.
