shrub | S3 Proxy for Google App Engine

Im a student just starting out on NoSQL and its just not clicking with me. im a little confused on a few points. Any help would be greatly appreciated 1.Can documents belong to multiple collections?

2.Have I the correct syntax here for creating the Collection? The pic is the collection er and a is just a snippet of the full er.

I'm trying to build a bar plot, and currently my data looks like this:

tree flower shrub 4 4 4 5 3 2 4 1 3

I want the column names to be x-values, and the mean of each column to be represented by a separate bar. I think the best way to get at this would be to change my data so it looks like this:

plant value tree 4 tree 5 tree 4 flower 4 flower 3 flower 1 shrub 4 shrub 2 shrub 3

Does anyone know the best way to go about this? Or have any other suggestions for building a bar plot based on this data?

I'm working with a data.frame that contains a column whose values are named like this: D1_open, D9_shurb, D10_open, etc

I would like to create a new column whose values are just "open" or "shurb". That is, I would like to extract the words "open" and "shrub" from "ID_SubPlot" and put them on a new column. I believe str_detect() can be useful, but I can't figure out how.

Example data:

I'm looking at a global netcdf file. I want to set all land points that are within the 60-75 deg N band to zero but keep the ocean points in that band as nan. As a second step, I want to keep the values on the land points from 60-75 but set all other land points to zero. Ocean values are NaNs. I just don't get my xarray script to do that - here is what I tried

I have two xarray dataset that have matching and unmatching time series. I would like to drop time series from dataset 2 that doesn't match with time-series of dataset 1.

I want to do two adjustments into the following graphic:

1. I want to remove the shape in the legend related to the linetype (Model)
2. I want to remove the linetype in the legend related to the shape (Standard Error (SE))

Code:

so I've coded a questionnaire and I'm running into an issue. When a user clicks submit the questionnaire the results are displayed near the submit button I was hoping for them to be redirected to a new page (where results are displayed) by using the CSS hidden property, but I don't understand how I can do that and also for some reason after submitting there is an 'undefined' option displaying under the choices, how can I get rid of that? I'd really appreciate it if someone can help me solve my issues, thank you!

I linked the IDE for my project if that's easier: https://repl.it/@AS11RA/Forest-Firefighters-Website#start%20questionnaire.js

Heres the startquestionnaire.Js file:

so I've coded a questionnaire/survey for my website but for some reason when a user clicks start questionnaire the questions show but the choices aren't displayed. I'm really confused as to why this isn't working I would really appreciate if anyone can help me solve my problem, thank you!

Here's a link to my IDE as I figured it would be easier to go through it to identify any mistakes I'm making: https://repl.it/@AS11RA/Forest-Firefighters-Website#index.html

Here's the start questionnaire.js file:

I have two function to add remove parameters to the query string. The "add_query_params" (thanks to this forum) is working nicely and I can now add multiple tags to the query string of the same type.

For example