In this post, we will see how to resolve Converting to long form data with no of columns and column name is generated Question: I have the following data frame: id text expand 1 text1 pre 1 text2 pre 2 ...
In this post, we will see how to resolve R: Wide to long format for dataframe with one single row and >250 columns Question: I am trying to get my dataframe in a long format. Currently, it’s a dataframe with ...
In this post, we will see how to resolve Reshape data to split column values into columns Question: I have a dataframe like the one above with two columns, one containing categories and the other containing binary data. I am ...
In this post, we will see how to resolve dcasting long table along multiple columns Question: I am having a difficult time understanding dcast, and cannot get the right commands to get what I want. I will give a minimal ...
In this post, we will see how to resolve reshape function not mapping values correctly Question: I am working with a within-subjects design looking at how participants rated 20 videos across a variety of variables (valence, arousal, etc.) and am ...
In this post, we will see how to resolve How can I groupby a dataframe and then transpose and rbind groups in R? Question: I created a buffer column and I tried the code below but it was no use. ...
In this post, we will see how to resolve How do I convert time series data from wide to long format using python (pandas package)? Question: I have some data taken at different time points in wide format, and need ...
In this post, we will see how to resolve Reshaping a dataframe every nth column Question: I have two datasets. After merging them horzontally, and sorting the columns with the following code, I get the dataset below: df= X Y ...
In this post, we will see how to resolve reshape not require to display mnist images? Question: If I want to display one image from mnist dataset, I need to reshape it from (1,28,28) to (28,28) using the following code: ...
In this post, we will see how to resolve Correct use of np.reshape() command Question: I have a 1D-array which has the following structure: How can I convert that 1D array into a 3D-array like this: arr2 = [[[x,a],[x,b],[x,c]], [[y,a], ...