cpi | form Preintegration for Graph-based Visual | Robotics library
kandi X-RAY | cpi Summary
kandi X-RAY | cpi Summary
Closed-form Preintegration for Graph-based Visual-Inertial Navigation
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QUESTION
I've browsed extensively online but could so far not find an appropriate answer for my question in this specific case.
I'm looking to partly re-structure a panel data set from long to wide format, but only for specific values that are specified by their respective names/characters in rows in R.
Consider this original format:
...ANSWER
Answered 2022-Apr-08 at 16:56Not sure if I follow - this seems to me like a typical pivot_wider
use:
QUESTION
I've reviewed this post: Pandas: Save multiple sheets into separate dataframes, however it doesn't seem to address my problem.
So this creates a dictionary with sheet names as keys, and dataframes as values:
...ANSWER
Answered 2022-Mar-22 at 23:22To create dynamically variables, you have to use globals()
or locals()
(which is strongly discouraged). The dict
version is better.
QUESTION
I am trying to create a simple program that lets users donates. This program is bootstrapped by Anchor. Unfortunately, It failed on very first step creating a PDA account by CPI. Please see the detailed info below:
Anchor test fails with:
...ANSWER
Answered 2022-Mar-21 at 11:03Lol, i forget #[account(mut)]
before pub user: Signer<'info>
:))
QUESTION
I have the following df
, from which every cell in it (except index ones) are string types :
ANSWER
Answered 2022-Mar-12 at 17:40It's actually simpler than you think. Just use pd.to_datetime
to convert the times to datetime
objects, and then use pd.Series.between
QUESTION
I have 2 datasets that have the same column names.
One dataframe is predicted
that has 12 forecasted values for each variable.
The other dataframe is real
that has the 12 real values for each variable.
I am trying to make this for loop to print the Mean Squared Forecasted Error.
...ANSWER
Answered 2022-Feb-14 at 04:49Please note that if i <- colname
, then data$i
does not produce the corresponding column. Use data[[i]]
instead.
QUESTION
I have a function called holt_filter
that does something and returns a data frame. (function down below)
Its arguments are the original dataset, the initial date, the final date, and the forecast horizon.
so I would like to do something like this:
...ANSWER
Answered 2022-Feb-02 at 04:35I'm not entirely sure I understand your question, but I'll take my best shot at it. From what I can gather, I think you only need one loop, and I think you would be better off making a list of dataframes. Maybe something like this:
QUESTION
I think I must be missing something in the documentation. In a typical DBMS system you would be able to write a UDF which consumes data from another table. Its not at all clear how one would do that from an Ignite UDF. Has anyone done something similar, or is it even possible to do something like this (obviously contrived)?
...ANSWER
Answered 2022-Jan-30 at 00:49Ignite is built on top of H2 DataBase for SQL processing thereafter it supports user-defined functions written in Java:
QUESTION
I am exporting data on inflation from Excel to R that extends from 1960 to 2020 in 29 countries. The issue is that R does not read the row of the years that follows 2007.
Another issue is that the years columns are read as character
by R from 1960 until 1997. Then it changes to double
as you can see in the picture below.
I tried to change the format of the row of the years to number
in excel, but it did not solve the problem.
I split the data and copied the years that follows 2007 to another sheet. Then i was able to export it (years of 2008 to 2020) separately and R was able to read the first row of the years with no problem whatsoever. I am not sure what that means. But my aim is to export all the data at once from the same sheet. Could someone help me with that please?
Here is the code:
...ANSWER
Answered 2022-Jan-07 at 09:41Your issue is that missing values are denoted with "..", so read_excel()
considers these cells as characters and so marks the whole column as a character, where there is a "..".
Easily solved, though, specify the na
string, e.g., CPI <- read_excel(path = "...", na = "..")
QUESTION
For the toy dataset below, I'm trying to groupby target_name
and sort values by multiple columns: valid_mse
, valid_r2_score
using: df.groupby('target_name').sort_values(by=['valid_mse', 'valid_r2_score'], ascending=[True, False])
ANSWER
Answered 2021-Dec-26 at 11:04There is no sort_values
in groupBy
(object created by groupby).
Wouldn't it be possible to get the desired data by simply sorting in three columns? Something like:
QUESTION
I am using WDI library to run commands regression analysis for 5 countries.
I try to create dummy variables with the help of command named as "dummy_cols". I then try to use the those dummy variable table for running f-test by using command "linearHypothesis" to check the fix effect of country Vietnam and Pakistan (as example). However, when I run the command of "linearHypothesis", it shows an error
...ANSWER
Answered 2021-Dec-22 at 16:51You just have to change the names in the hypothesis from country_Vietnam
to countryVietnam
(same for Pakistan). So:
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