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QUESTION
I am creating a world map with rworldmap
and adding the country names using the text
function. However, the text labels overlap. I tried the adj
and pos
parameters, but with no luck thus far. Any tips?
ANSWER
Answered 2021-May-17 at 09:41Answer
The base text
function does not have this functionality. You'll likely have to rely on additional packages to achieve what you want:
- Find a package that works with base graphics, like basicPlotteR.
- Switch to plotting with
ggplot2::ggplot
and useggrepel::geom_text_repel
orggrepel::geom_label_repel
.
1. basicPlotteR::addTextLabels
Given some settings, it will displace the text, and use lines to indicate to which country the text belongs.
QUESTION
I need to plot the names of the countries that are present in my dataframe only, not all world countries. Any suggestions?
...ANSWER
Answered 2021-May-16 at 16:35Here is something to try. Create a vector of country names that can be used to subset coordinates(Map)
. You would get selected country names, not all country names for the map.
QUESTION
I have a table of data in Access DateTimeLog has date/time datatype while the other rest are string.
I need to get the total number of row of data at the last hour of system date with specified ModelLog. But I could not think of a correct structure of the query using MS Access as I am very new to MS Access.
Below shows how I insert the data:
...ANSWER
Answered 2021-Apr-23 at 07:36Ok, so you clearly know how to run a database query with parameters, you just need to run this query as ExecuteScalar
, casting the result to an int
QUESTION
I've downloaded a Quandl dataset. I'm unable to infer or find the frequency of the data using infer_freq or freq. These two methods don't return anything. I don't understand what the problem is.
I'd like to see/print the frequency of the data, although I know it's 'daily'.
Below is the code I've used.
...ANSWER
Answered 2020-Dec-19 at 22:12For stock data, there is no data on the weekends and because of that pandas cannot infer a frequency. pd.infer_freq(df.index)
will return None if there's missing data. I guess you don't want to do df.asfreq('D')
because that will create None values for the missing data.
If you really want to infer the frequency from your Dataframe, you could just check the timedelta between consecutive rows (given you don't end up getting a timedelta of 3 days corresponding to a weekend)
QUESTION
I have a list of stock ticker symbols as values and their sectors as keys in a python defauldict
. I would like to randomly sample one or two from each value and place them in their own list, then do some stuff, then randomly sample again and do this for 50 or 100 times.
Is this possible?
Here is the sample of the dictionary.
...ANSWER
Answered 2020-Oct-11 at 17:16Try:
QUESTION
I have an empty dictionary, and need to pull industry info base on ticker symbols. I would then like to add all tickers under the same industry in a list with the industry as the key.
For example, the end would look something like the below:
...ANSWER
Answered 2020-Oct-10 at 20:15You should always avoid catch-all exceptions.
Your original example was masking the fact that update
isn't a list method.
When you subscript a python dictionary like sector_dict[ticker]
, we're now talking about the value associated with the ticker
key. In this case a list.
Also update isn't used like that, so I think it was masking a second error. It's usage is to update a dictionary with another dictionary or an iterable. Not to update an existing entry.
Finally, the try
clause should be as small as possible, in order to be sure where the error is coming from or at least you can guarantee there won't be conflicting exceptions such as this case.
I think that's why your list is returning with only the last ticker in my previous solution, as yf.Ticker
causes a KeyError
and the KeyError
exception gets called instead of the last one.
Here's how I'd do it:
QUESTION
I have issue with sending custom class via SignalR hub to client (Blazor WebAssembly). I have worker process, that is periodically sending data to all connected clients. If I try to send standard data, string, List of strings, Date etc. Client can process it without any problems. But when I try to send my own "data class" I am receiving this error
Microsoft.AspNetCore.SignalR.Client.HubConnection[57] Failed to bind arguments received in invocation '(null)' of 'ReceiveProject'. System.IO.InvalidDataException: Error binding arguments. Make sure that the types of the provided values match the types of the hub method being invoked. ---> System.NotSupportedException: Deserialization of reference types without parameterless constructor is not supported. Type 'SekvenceReport.Shared.Project'
Here is my custom class
Custom class
...ANSWER
Answered 2020-Aug-09 at 22:17Try adding a constructor to your Project class without parameters, for example:
QUESTION
I want to create 2 instance (an instance Zone A, and an instance Zone B), Private IP, SLB (Public IP), the VServer is both instance (for SLB), Frontend and Backend Port are HTTP. Regarding my terraform scripts are here: https://github.com/gablooge/alibaba-terraform-challenge
But I have a problem when applying my scripts. It turned out like this when creating the instance and SLB on applying my terraform scripts. Here are the error messages:
Error: [ERROR] terraform-provider-alicloud/alicloud/resource_alicloud_instance.go:423: Resource alicloud_instance RunInstances Failed!!! [SDK alibaba-cloud-sdk-go ERROR]: SDK.ServerError ErrorCode: Forbidden.RiskControl Recommend: RequestId: 09B3E699-BC3E-457B-B266-54AC66325BE7 Message: This operation is forbidden by Aliyun RiskControl system.
on main.tf line 1, in resource "alicloud_instance" "instance_a": 1: resource "alicloud_instance" "instance_a" {
Error: [ERROR] terraform-provider-alicloud/alicloud/resource_alicloud_instance.go:423: Resource alicloud_instance RunInstances Failed!!! [SDK alibaba-cloud-sdk-go ERROR]: SDK.ServerError ErrorCode: Forbidden.RiskControl Recommend: RequestId: 5520BCA6-6A03-4E3A-A87E-1794AC38AB11 Message: This operation is forbidden by Aliyun RiskControl system.
on main.tf line 15, in resource "alicloud_instance" "instance_b": 15: resource "alicloud_instance" "instance_b" {
Error: [ERROR] terraform-provider-alicloud/alicloud/resource_alicloud_slb.go:244: Resource alicloud_slb CreateLoadBalancer Failed!!! [SDK alibaba-cloud-sdk-go ERROR]: SDK.ServerError ErrorCode: RISK.RISK_CONTROL_REJECTION Recommend: RequestId: D677A5EB-F3A7-48A2-98D1-91988BAF6B53 Message: The Account is rejected by risk control system.
on main.tf line 30, in resource "alicloud_slb" "default": 30: resource "alicloud_slb" "default" {
Anybody know how to resolve this problem?
...ANSWER
Answered 2020-Aug-07 at 13:00This looks like access related issue. You might want to check with raise a ticket with Alibaba Cloud support team to confirm all the required access is enabled.
QUESTION
I try to find the name of a country through the name of a city. pycountry did the work for me!
...ANSWER
Answered 2020-Jun-23 at 20:53try this:
QUESTION
I have a data source based on ISO3 country codes and I wish to visualize it using geopandas. The source I am using is based on world bank data and contains more countries than the target in GeoDataFrame.
I used the code below to achieve the visualization I was looking for. Some lines of codes correct missing abbreviations in the world
layer (see https://github.com/geopandas/geopandas/issues/1041 for more info).
Now I have two problems.
- (major) The code is not very elegant. Does someone know a more elegant was to import the data into the
world
GeoDataFrame? - (minor) I get a matplotlib warning I do not understand:
RuntimeWarning: invalid value encountered in less xa[xa < 0] = -1
Basic code to reproduce the problem is below. Sorry for the long arrays, but the data is necessary to reproduce the problem.
...ANSWER
Answered 2020-Jun-18 at 15:27I think you'd benefit from placing your arrays into a dataframe and then merging that with your world
geodataframe. So what you have would become:
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